{"title":"Spool - Mercedes M178","description":"","products":[{"product_id":"spool-fx-170-upgraded-hpfp-amg-gt-gts-gtc-gtr-m178","title":"Spool FX-170 HPFP AMG GT, GTS, GTC, GTR [M178]","description":"\u003cp data-start=\"0\" data-end=\"65\"\u003e\u003cstrong data-start=\"0\" data-end=\"65\"\u003eSpool FX-170 HPFP Upgrade | AMG GT \/ GTS \/ GTC \/ GTR (M178)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"67\" data-end=\"330\"\u003eThe Spool Performance FX-170 is a high-pressure fuel pump (HPFP) performance upgrade for Mercedes-AMG M178 engines. This solution is designed for high-power configurations of the AMG GT model range, where the standard fuel system acts as a limitation in tuning.\u003c\/p\u003e\n\u003ch3 data-section-id=\"xen6ie\" data-start=\"337\" data-end=\"360\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"341\" data-end=\"360\"\u003eWhat is the FX-170?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"361\" data-end=\"513\"\u003eThe FX-170 is an upgraded high-pressure pump with a larger cylinder bore than standard. This provides approximately \u003cstrong data-start=\"472\" data-end=\"512\"\u003e+50% greater fuel flow\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul data-start=\"515\" data-end=\"731\"\u003e\n\n\u003cli data-section-id=\"c56pce\" data-start=\"515\" data-end=\"555\"\u003e\u003cstrong data-start=\"517\" data-end=\"553\"\u003e+50% flow compared to stock\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli data-section-id=\"1pxa33p\" data-start=\"556\" data-end=\"588\"\u003e\u003cstrong data-start=\"558\" data-end=\"586\"\u003eFull E85 compatibility\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli data-section-id=\"1wtjmo2\" data-start=\"589\" data-end=\"658\"\u003e\n\n\u003cstrong data-start=\"591\" data-end=\"616\"\u003ePlug \u0026amp; Play installation:\u003c\/strong\u003e no cutting or wire modification\u003c\/li\u003e\n\n\u003cli data-section-id=\"ejn0io\" data-start=\"659\" data-end=\"731\"\u003eAllows for increased fuel delivery at higher power levels\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"733\" data-end=\"763\"\u003eThe added capacity allows for:\u003c\/p\u003e\n\u003cul data-start=\"764\" data-end=\"854\"\u003e\n\n\u003cli data-section-id=\"17xfhog\" data-start=\"764\" data-end=\"793\"\u003eHigher ethanol blends\u003c\/li\u003e\n\n\u003cli data-section-id=\"faa3sf\" data-start=\"794\" data-end=\"820\"\u003eLarger turbochargers\u003c\/li\u003e\n\n\u003cli data-section-id=\"4h23nt\" data-start=\"821\" data-end=\"854\"\u003eSignificantly higher power levels\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"y6g096\" data-start=\"861\" data-end=\"900\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"865\" data-end=\"900\"\u003eWhy is an upgrade necessary?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"901\" data-end=\"964\"\u003eThe M178 engine's standard HPFP limits performance in tuning:\u003c\/p\u003e\n\u003cul data-start=\"966\" data-end=\"1051\"\u003e\n\n\u003cli data-section-id=\"76aaa7\" data-start=\"966\" data-end=\"1016\"\u003eInsufficient fuel delivery for high power\u003c\/li\u003e\n\n\u003cli data-section-id=\"6aj76o\" data-start=\"1017\" data-end=\"1051\"\u003eLimited ethanol usage\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"1053\" data-end=\"1060\"\u003eThe FX-170:\u003c\/p\u003e\n\u003cul data-start=\"1061\" data-end=\"1234\"\u003e\n\n\u003cli data-section-id=\"m6fgie\" data-start=\"1061\" data-end=\"1122\"\u003eSignificantly increases fuel system capacity\u003c\/li\u003e\n\n\u003cli data-section-id=\"ft80ad\" data-start=\"1123\" data-end=\"1181\"\u003eEnables more efficient and safer tuning\u003c\/li\u003e\n\n\u003cli data-section-id=\"1llxj1x\" data-start=\"1182\" data-end=\"1234\"\u003eSupports demanding turbo and flex fuel setups\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"gk4jgp\" data-start=\"1241\" data-end=\"1264\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1245\" data-end=\"1264\"\u003ePackage contents\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1265\" data-end=\"1494\"\u003e\n\n\u003cli data-section-id=\"1kuuvlb\" data-start=\"1265\" data-end=\"1307\"\u003e2 x FX-170 high-pressure fuel pumps\u003c\/li\u003e\n\n\u003cli data-section-id=\"hujf8f\" data-start=\"1308\" data-end=\"1359\"\u003eUpgraded fuel lines + installation hardware\u003c\/li\u003e\n\n\u003cli data-section-id=\"mdue52\" data-start=\"1360\" data-end=\"1411\"\u003eBosch 10 micron high flow fuel filter\u003c\/li\u003e\n\n\u003cli data-section-id=\"x1ljhh\" data-start=\"1412\" data-end=\"1494\"\u003eEthanol content monitoring system (optional, mobile and watch application)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"10smnb5\" data-start=\"1501\" data-end=\"1535\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1505\" data-end=\"1535\"\u003eSpool 10-micron filter\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1536\" data-end=\"1681\"\u003e\n\n\u003cli data-section-id=\"u86jjf\" data-start=\"1536\" data-end=\"1604\"\u003eTop-tier filtration without significant pressure drop\u003c\/li\u003e\n\n\u003cli data-section-id=\"13j338v\" data-start=\"1605\" data-end=\"1652\"\u003eProtects HPFP and injectors from contaminants\u003c\/li\u003e\n\n\u003cli data-section-id=\"nao9tx\" data-start=\"1653\" data-end=\"1681\"\u003eOptimized for the M178 platform\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1gtiq1z\" data-start=\"1688\" data-end=\"1739\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1692\" data-end=\"1739\"\u003eSpool Ethanol Content Monitor (optional)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1740\" data-end=\"1995\"\u003e\n\n\u003cli data-section-id=\"oiw5o0\" data-start=\"1740\" data-end=\"1811\"\u003eReal-time ethanol content and fuel temperature display\u003c\/li\u003e\n\n\u003cli data-section-id=\"840hkh\" data-start=\"1812\" data-end=\"1848\"\u003eMobile and smartwatch app support\u003c\/li\u003e\n\n\u003cli data-section-id=\"93u7zi\" data-start=\"1849\" data-end=\"1868\"\u003eBLE 4.0 connectivity\u003c\/li\u003e\n\n\u003cli data-section-id=\"vnqzew\" data-start=\"1869\" data-end=\"1917\"\u003e0-5V output for flex fuel systems\u003c\/li\u003e\n\n\u003cli data-section-id=\"152w13\" data-start=\"1918\" data-end=\"1995\"\u003ePTFE-lined, braided stainless steel E85-compatible fuel lines\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"16z113o\" data-start=\"2002\" data-end=\"2031\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2006\" data-end=\"2031\"\u003eSoftware Requirements\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2032\" data-end=\"2069\"\u003eThe FX-170 requires software modifications:\u003c\/p\u003e\n\u003cul data-start=\"2070\" data-end=\"2181\"\u003e\n\n\u003cli data-section-id=\"159teb2\" data-start=\"2070\" data-end=\"2113\"\u003eCalibration must be performed before use\u003c\/li\u003e\n\n\u003cli data-section-id=\"1ooc8ms\" data-start=\"2114\" data-end=\"2181\"\u003eWithout adjustment, use may cause damage and void the warranty\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2183\" data-end=\"2189\"\u003eSpool:\u003c\/p\u003e\n\u003cul data-start=\"2190\" data-end=\"2284\"\u003e\n\n\u003cli data-section-id=\"o3ghdk\" data-start=\"2190\" data-end=\"2234\"\u003eProvides calibration data to the tuner\u003c\/li\u003e\n\n\u003cli data-section-id=\"1hp9f3i\" data-start=\"2235\" data-end=\"2284\"\u003eAssists in connecting with experienced tuners\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2286\" data-end=\"2332\"\u003eNote: Spool does not offer ready-made custom tunes\u003c\/p\u003e\n\u003ch3 data-section-id=\"xp8wtj\" data-start=\"2339\" data-end=\"2366\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2343\" data-end=\"2366\"\u003eImportant note: LPFP\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2367\" data-end=\"2421\"\u003eThe low-pressure fuel system is critical:\u003c\/p\u003e\n\u003cul data-start=\"2423\" data-end=\"2582\"\u003e\n\n\u003cli data-section-id=\"eh2cpa\" data-start=\"2423\" data-end=\"2480\"\u003eInsufficient LPFP can damage HPFP and injectors\u003c\/li\u003e\n\n\u003cli data-section-id=\"194ejp7\" data-start=\"2481\" data-end=\"2530\"\u003eHPFP lubrication relies on fuel flow\u003c\/li\u003e\n\n\u003cli data-section-id=\"1egpe2r\" data-start=\"2531\" data-end=\"2582\"\u003eLack of fuel → wear and failure\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2584\" data-end=\"2643\"\u003eRecommendation: ensure adequate low-pressure side upgrade\u003c\/p\u003e","brand":"QT Parts","offers":[{"title":"Add a wireless ethanol content sensor","offer_id":49492661043547,"sku":"SP-FX170-M178","price":4357.0,"currency_code":"EUR","in_stock":true},{"title":"I am installing an already existing ethanol sensor","offer_id":49492661076315,"sku":"SP-FX170-M178-EE-LLK","price":3990.0,"currency_code":"EUR","in_stock":true},{"title":"Without sensor","offer_id":49492661109083,"sku":"SP-FX170-M178-NE-KKL","price":3990.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/fx170-1_900x900_crop_center_0db2d852-1d67-4a38-9c05-9c166d385003.png?v=1731758538"},{"product_id":"spool-fx-200-upgraded-hpfp-amg-gt-gts-gtc-gtr-m178","title":"Spool FX-200 HPFP AMG GT, GTS, GTC, GTR [M178]","description":"\u003cp data-start=\"0\" data-end=\"59\"\u003e\u003cstrong data-start=\"0\" data-end=\"59\"\u003eSpool FX-200 HPFP Kit | AMG GT \/ GTS \/ GTC \/ GTR (M178)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"61\" data-end=\"333\"\u003eThe Spool Performance FX-200 is a high-pressure fuel pump (HPFP) performance upgrade for Mercedes-AMG M178 engines. This solution is designed for high-power configurations of the AMG GT series, where the standard fuel system is insufficient to support increasing power goals.\u003c\/p\u003e\n\u003ch3 data-section-id=\"14eb236\" data-start=\"335\" data-end=\"354\"\u003eWhat is the FX-200?\u003c\/h3\u003e\n\u003cp data-start=\"355\" data-end=\"546\"\u003eThe FX-200 is an upgraded high-pressure pump with a larger piston diameter than the standard one. This enables approximately \u003cstrong data-start=\"471\" data-end=\"511\"\u003e+80% more fuel flow\u003c\/strong\u003e compared to the original pump.\u003c\/p\u003e\n\u003cul data-start=\"548\" data-end=\"776\"\u003e\n\n\u003cli data-section-id=\"1sxzqud\" data-start=\"548\" data-end=\"589\"\u003eApproximately +80% flow compared to stock\u003c\/li\u003e\n\n\u003cli data-section-id=\"drnk8l\" data-start=\"590\" data-end=\"618\"\u003eFull E85 compatibility\u003c\/li\u003e\n\n\u003cli data-section-id=\"1hlhhox\" data-start=\"619\" data-end=\"681\"\u003ePlug \u0026amp; Play installation without cutting or wiring modifications\u003c\/li\u003e\n\n\u003cli data-section-id=\"rvw9rj\" data-start=\"682\" data-end=\"715\"\u003eOperating pressure up to approx. 250 bar\u003c\/li\u003e\n\n\u003cli data-section-id=\"6yyqs5\" data-start=\"716\" data-end=\"776\"\u003eImproves injector flow and shortens injection time\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"778\" data-end=\"808\"\u003eThe additional capacity allows for:\u003c\/p\u003e\n\u003cul data-start=\"809\" data-end=\"904\"\u003e\n\n\u003cli data-section-id=\"17xfhog\" data-start=\"809\" data-end=\"838\"\u003eHigher ethanol blends\u003c\/li\u003e\n\n\u003cli data-section-id=\"faa3sf\" data-start=\"839\" data-end=\"865\"\u003eLarger turbochargers\u003c\/li\u003e\n\n\u003cli data-section-id=\"slyamn\" data-start=\"866\" data-end=\"904\"\u003eSignificantly higher power levels\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1few9je\" data-start=\"906\" data-end=\"941\"\u003eWhy is an upgrade necessary?\u003c\/h3\u003e\n\u003cp data-start=\"942\" data-end=\"999\"\u003eThe M178 engine's standard HPFP is a clear limitation for tuning:\u003c\/p\u003e\n\u003cul data-start=\"1001\" data-end=\"1094\"\u003e\n\n\u003cli data-section-id=\"76aaa7\" data-start=\"1001\" data-end=\"1051\"\u003eInsufficient fuel supply for high power levels\u003c\/li\u003e\n\n\u003cli data-section-id=\"1ff051x\" data-start=\"1052\" data-end=\"1094\"\u003eLimited use of ethanol blends\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"1096\" data-end=\"1103\"\u003eFX-200:\u003c\/p\u003e\n\u003cul data-start=\"1104\" data-end=\"1263\"\u003e\n\n\u003cli data-section-id=\"m6fgie\" data-start=\"1104\" data-end=\"1165\"\u003eSignificantly increases fuel system capacity\u003c\/li\u003e\n\n\u003cli data-section-id=\"d9sc77\" data-start=\"1166\" data-end=\"1204\"\u003eExpands platform fuel limits\u003c\/li\u003e\n\n\u003cli data-section-id=\"ft80ad\" data-start=\"1205\" data-end=\"1263\"\u003eEnables more efficient and safer tuning\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"12wor9l\" data-start=\"1265\" data-end=\"1284\"\u003ePackage contents\u003c\/h3\u003e\n\u003cul data-start=\"1285\" data-end=\"1509\"\u003e\n\n\u003cli data-section-id=\"13vnlcb\" data-start=\"1285\" data-end=\"1327\"\u003e2 x FX-200 high-pressure fuel pumps\u003c\/li\u003e\n\n\u003cli data-section-id=\"hujf8f\" data-start=\"1328\" data-end=\"1379\"\u003eUpgraded fuel lines + installation hardware\u003c\/li\u003e\n\n\u003cli data-section-id=\"mdue52\" data-start=\"1380\" data-end=\"1431\"\u003eBosch 10-micron high flow fuel filter\u003c\/li\u003e\n\n\u003cli data-section-id=\"4nvuvh\" data-start=\"1432\" data-end=\"1509\"\u003eEthanol content measurement system (optional, with mobile app)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"bozc01\" data-start=\"1511\" data-end=\"1541\"\u003eSpool 10-micron filter\u003c\/h3\u003e\n\u003cul data-start=\"1542\" data-end=\"1678\"\u003e\n\n\u003cli data-section-id=\"13z13dn\" data-start=\"1542\" data-end=\"1597\"\u003eTop-tier filtration without significant pressure drop\u003c\/li\u003e\n\n\u003cli data-section-id=\"13j338v\" data-start=\"1598\" data-end=\"1645\"\u003eProtects HPFP and injectors from contaminants\u003c\/li\u003e\n\n\u003cli data-section-id=\"yinfnc\" data-start=\"1646\" data-end=\"1678\"\u003eOptimized for Mercedes platform\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1ou7hev\" data-start=\"1680\" data-end=\"1727\"\u003eSpool Ethanol Content Monitor (optional)\u003c\/h3\u003e\n\u003cul data-start=\"1728\" data-end=\"1946\"\u003e\n\n\u003cli data-section-id=\"oiw5o0\" data-start=\"1728\" data-end=\"1799\"\u003eReal-time ethanol content and fuel temperature display\u003c\/li\u003e\n\n\u003cli data-section-id=\"fuvsdw\" data-start=\"1800\" data-end=\"1839\"\u003eMobile app with BLE 4.0 connectivity\u003c\/li\u003e\n\n\u003cli data-section-id=\"1v2g840\" data-start=\"1840\" data-end=\"1891\"\u003eEnables precise fuel mixture control\u003c\/li\u003e\n\n\u003cli data-section-id=\"gnlxoh\" data-start=\"1892\" data-end=\"1946\"\u003eFull E85 compatibility for fuel lines\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"hskogk\" data-start=\"1948\" data-end=\"1973\"\u003eSoftware requirements\u003c\/h3\u003e\n\u003cp data-start=\"1974\" data-end=\"2019\"\u003eOperating the pump requires software modifications:\u003c\/p\u003e\n\u003cul data-start=\"2021\" data-end=\"2135\"\u003e\n\n\u003cli data-section-id=\"1pr4agf\" data-start=\"2021\" data-end=\"2067\"\u003eCalibration must be performed before use\u003c\/li\u003e\n\n\u003cli data-section-id=\"1ooc8ms\" data-start=\"2068\" data-end=\"2135\"\u003eWithout adjustment, use can cause damage and void the warranty\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2137\" data-end=\"2143\"\u003eSpool:\u003c\/p\u003e\n\u003cul data-start=\"2144\" data-end=\"2245\"\u003e\n\n\u003cli data-section-id=\"o3ghdk\" data-start=\"2144\" data-end=\"2188\"\u003eProvides calibration data to the tuner\u003c\/li\u003e\n\n\u003cli data-section-id=\"60bsoe\" data-start=\"2189\" data-end=\"2245\"\u003eAssists in finding an experienced tuner if needed\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2247\" data-end=\"2293\"\u003eNote: Spool does not offer ready-made custom tunes\u003c\/p\u003e\n\u003ch3 data-section-id=\"xsho2v\" data-start=\"2295\" data-end=\"2318\"\u003eImportant note: LPFP\u003c\/h3\u003e\n\u003cp data-start=\"2319\" data-end=\"2373\"\u003eThe low-pressure fuel system is critical:\u003c\/p\u003e\n\u003cul data-start=\"2375\" data-end=\"2545\"\u003e\n\n\u003cli data-section-id=\"eh2cpa\" data-start=\"2375\" data-end=\"2432\"\u003eInsufficient LPFP can damage the HPFP and injectors\u003c\/li\u003e\n\n\u003cli data-section-id=\"194ejp7\" data-start=\"2433\" data-end=\"2482\"\u003eHPFP lubrication is based on fuel flow\u003c\/li\u003e\n\n\u003cli data-section-id=\"16itufs\" data-start=\"2483\" data-end=\"2545\"\u003eLack of fuel can lead to wear and failure\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2547\" data-end=\"2603\"\u003eRecommendation: ensure adequate low-pressure side upgrade\u003c\/p\u003e","brand":"QT Parts","offers":[{"title":"Add a wireless ethanol content sensor","offer_id":49492670775643,"sku":"SP-FX200-M178-FG5","price":6723.0,"currency_code":"EUR","in_stock":true},{"title":"I am installing an already existing ethanol sensor","offer_id":49492670808411,"sku":"SP-FX200-M178-EE-56SD","price":6436.0,"currency_code":"EUR","in_stock":true},{"title":"Without sensor","offer_id":49492670841179,"sku":"SP-FX200-M178-NE-SDFV","price":6436.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/spoolFX200-1_900x900_f98f399f-0020-4766-a4e0-d63dee9062de.png?v=1731758702"},{"product_id":"spool-fx-350-upgraded-hpfp-amg-gt-gts-gtc-gtr-m178","title":"Spool FX-350 HPFP AMG GT, GTS, GTC, GTR [M178]","description":"\u003cp data-start=\"0\" data-end=\"59\"\u003e\u003cstrong data-start=\"0\" data-end=\"59\"\u003eSpool FX-350 HPFP Kit | AMG GT \/ GTS \/ GTC \/ GTR (M178)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"61\" data-end=\"355\"\u003eThe Spool Performance FX-350 is the next generation high-pressure fuel pump (HPFP) upgrade for Mercedes-AMG M178 engines. This solution surpasses the previous FX-200 model in both pressure and overall performance, providing significantly improved fuel delivery for high-power applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"14ebrau\" data-start=\"357\" data-end=\"376\"\u003eWhat is the FX-350?\u003c\/h3\u003e\n\u003cp data-start=\"377\" data-end=\"526\"\u003eThe FX-350 is designed to operate at significantly higher pressure than its predecessor, directly increasing fuel flow through the injectors.\u003c\/p\u003e\n\u003cul data-start=\"528\" data-end=\"759\"\u003e\n\n\u003cli data-section-id=\"9fa7b1\" data-start=\"528\" data-end=\"565\"\u003eOperating pressure up to 35 MPa \/ 350 bar\u003c\/li\u003e\n\n\u003cli data-section-id=\"zn712f\" data-start=\"566\" data-end=\"617\"\u003eUp to +90% more flow compared to stock\u003c\/li\u003e\n\n\u003cli data-section-id=\"1tupwv9\" data-start=\"618\" data-end=\"705\"\u003eApproximately +40% more fuel through injectors before reaching injection limits\u003c\/li\u003e\n\n\u003cli data-section-id=\"drnk8l\" data-start=\"706\" data-end=\"734\"\u003eFull E85 compatibility\u003c\/li\u003e\n\n\u003cli data-section-id=\"1ge6km0\" data-start=\"735\" data-end=\"759\"\u003ePlug \u0026amp; Play installation\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"761\" data-end=\"787\"\u003eBenefits of higher pressure:\u003c\/p\u003e\n\u003cul data-start=\"788\" data-end=\"961\"\u003e\n\n\u003cli data-section-id=\"1fdqopd\" data-start=\"788\" data-end=\"824\"\u003eImproved fuel atomization\u003c\/li\u003e\n\n\u003cli data-section-id=\"f4s41\" data-start=\"825\" data-end=\"863\"\u003eMore efficient and cleaner combustion\u003c\/li\u003e\n\n\u003cli data-section-id=\"n7tcyc\" data-start=\"864\" data-end=\"906\"\u003eIncreased power and better efficiency\u003c\/li\u003e\n\n\u003cli data-section-id=\"1qwjasr\" data-start=\"907\" data-end=\"961\"\u003eAllows for higher power without additional injection\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1few9je\" data-start=\"963\" data-end=\"998\"\u003eWhy is an upgrade necessary?\u003c\/h3\u003e\n\u003cp data-start=\"999\" data-end=\"1069\"\u003eThe M178 engine's stock HPFP significantly limits tuning potential:\u003c\/p\u003e\n\u003cul data-start=\"1071\" data-end=\"1169\"\u003e\n\n\u003cli data-section-id=\"ofgo82\" data-start=\"1071\" data-end=\"1129\"\u003eFuel capacity is insufficient for high power levels\u003c\/li\u003e\n\n\u003cli data-section-id=\"8j819b\" data-start=\"1130\" data-end=\"1169\"\u003eUse of ethanol blends is limited\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"1171\" data-end=\"1178\"\u003eThe FX-350:\u003c\/p\u003e\n\u003cul data-start=\"1179\" data-end=\"1329\"\u003e\n\n\u003cli data-section-id=\"4u23vp\" data-start=\"1179\" data-end=\"1241\"\u003eElevates the fuel system capacity to a new level\u003c\/li\u003e\n\n\u003cli data-section-id=\"ri8wj2\" data-start=\"1242\" data-end=\"1281\"\u003eAllows for larger turbochargers\u003c\/li\u003e\n\n\u003cli data-section-id=\"vd23vs\" data-start=\"1282\" data-end=\"1329\"\u003eSupports more aggressive tuning configurations\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"12wor9l\" data-start=\"1331\" data-end=\"1350\"\u003ePackage contents\u003c\/h3\u003e\n\u003cul data-start=\"1351\" data-end=\"1575\"\u003e\n\n\u003cli data-section-id=\"1a2ekof\" data-start=\"1351\" data-end=\"1393\"\u003e2 x FX-350 high-pressure fuel pumps\u003c\/li\u003e\n\n\u003cli data-section-id=\"hujf8f\" data-start=\"1394\" data-end=\"1445\"\u003eUpgraded fuel lines + installation hardware\u003c\/li\u003e\n\n\u003cli data-section-id=\"mdue52\" data-start=\"1446\" data-end=\"1497\"\u003eBosch 10 micron high flow fuel filter\u003c\/li\u003e\n\n\u003cli data-section-id=\"4nvuvh\" data-start=\"1498\" data-end=\"1575\"\u003eEthanol content monitoring system (optional, with mobile app)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"bozc01\" data-start=\"1577\" data-end=\"1607\"\u003eSpool 10-micron filter\u003c\/h3\u003e\n\u003cul data-start=\"1608\" data-end=\"1739\"\u003e\n\n\u003cli data-section-id=\"1ho0m4e\" data-start=\"1608\" data-end=\"1655\"\u003eExcellent filtration efficiency without pressure drop\u003c\/li\u003e\n\n\u003cli data-section-id=\"tik5lp\" data-start=\"1656\" data-end=\"1704\"\u003eProtects pumps and injectors from contaminants\u003c\/li\u003e\n\n\u003cli data-section-id=\"xlphna\" data-start=\"1705\" data-end=\"1739\"\u003eDesigned for the Mercedes platform\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1ou7hev\" data-start=\"1741\" data-end=\"1788\"\u003eSpool Ethanol Content Monitor (optional)\u003c\/h3\u003e\n\u003cul data-start=\"1789\" data-end=\"2026\"\u003e\n\n\u003cli data-section-id=\"3jnoe6\" data-start=\"1789\" data-end=\"1862\"\u003eReal-time ethanol content and fuel temperature monitoring\u003c\/li\u003e\n\n\u003cli data-section-id=\"1t93ckn\" data-start=\"1863\" data-end=\"1902\"\u003eBLE 4.0 connection to mobile app\u003c\/li\u003e\n\n\u003cli data-section-id=\"1nwcinv\" data-start=\"1903\" data-end=\"1948\"\u003eAllows for precise mixture ratio control\u003c\/li\u003e\n\n\u003cli data-section-id=\"152w13\" data-start=\"1949\" data-end=\"2026\"\u003ePTFE-lined, braided stainless steel E85-compatible fuel lines\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"hskogk\" data-start=\"2028\" data-end=\"2053\"\u003eSoftware requirements\u003c\/h3\u003e\n\u003cul data-start=\"2054\" data-end=\"2182\"\u003e\n\n\u003cli data-section-id=\"11d2rje\" data-start=\"2054\" data-end=\"2104\"\u003eRequires software modifications before commissioning\u003c\/li\u003e\n\n\u003cli data-section-id=\"1y7gaor\" data-start=\"2105\" data-end=\"2182\"\u003eCalibration is essential for safe and optimal operation\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2184\" data-end=\"2190\"\u003eSpool:\u003c\/p\u003e\n\u003cul data-start=\"2191\" data-end=\"2304\"\u003e\n\n\u003cli data-section-id=\"1jlf42\" data-start=\"2191\" data-end=\"2247\"\u003eProvides necessary calibration data to the tuner\u003c\/li\u003e\n\n\u003cli data-section-id=\"60bsoe\" data-start=\"2248\" data-end=\"2304\"\u003eHelps find an experienced tuner if needed\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2306\" data-end=\"2352\"\u003eNote: Spool does not offer ready-made custom tunes\u003c\/p\u003e\n\u003ch3 data-section-id=\"xsho2v\" data-start=\"2354\" data-end=\"2377\"\u003eImportant note: LPFP\u003c\/h3\u003e\n\u003cp data-start=\"2378\" data-end=\"2432\"\u003eThe low-pressure fuel system is critical:\u003c\/p\u003e\n\u003cul data-start=\"2434\" data-end=\"2617\"\u003e\n\n\u003cli data-section-id=\"1sqg9z7\" data-start=\"2434\" data-end=\"2504\"\u003eInsufficient supply can cause damage to the pump and injectors\u003c\/li\u003e\n\n\u003cli data-section-id=\"194ejp7\" data-start=\"2505\" data-end=\"2554\"\u003eHPFP lubrication relies on fuel flow\u003c\/li\u003e\n\n\u003cli data-section-id=\"16itufs\" data-start=\"2555\" data-end=\"2617\"\u003eLack of fuel can lead to wear and failure\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2619\" data-end=\"2675\"\u003eRecommendation: ensure adequate low-pressure side upgrade\u003c\/p\u003e","brand":"QT Parts","offers":[{"title":"Add a wireless ethanol content sensor","offer_id":49492693614939,"sku":"SP-FX350-M178","price":8026.0,"currency_code":"EUR","in_stock":true},{"title":"I am installing an already existing ethanol sensor","offer_id":49492693647707,"sku":"SP-FX350-M178-012","price":7659.0,"currency_code":"EUR","in_stock":true},{"title":"Without sensor","offer_id":49492693680475,"sku":"SP-FX350-M178-NE12","price":7659.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/FX350-1-1014x912_900x900_crop_center_c0da1c76-46e1-4032-bd6a-461cc48bfc08.png?v=1731758878"},{"product_id":"spool-stage-3-lpfp-kit-amg-gt-gts-gtc-gtr-m178","title":"Spool Stage 3 LPFP Kit AMG GT, GTS, GTC, GTR [M178]","description":"\u003cp data-start=\"0\" data-end=\"57\"\u003e\u003cstrong data-start=\"0\" data-end=\"57\"\u003eSpool Stage 3 LPFP Kit | AMG GT, GTS, GTC, GTR (M178)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"59\" data-end=\"313\"\u003eThe Spool Performance Stage 3 LPFP is the production version of the low-pressure fuel pump (LPFP) upgrade for the Mercedes-AMG M178 engine. The system is designed to remove low-pressure side limitations, especially with high power and E85 use.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1izzxy\" data-start=\"315\" data-end=\"330\"\u003eProduct Description\u003c\/h3\u003e\n\u003cp data-start=\"331\" data-end=\"605\"\u003eAs high-pressure fuel pumps (HPFP) become more efficient, the low-pressure electric fuel pump often becomes a critical bottleneck. The Stage 3 LPFP solves this with a dual-pump design, ensuring sufficient fuel delivery even in demanding conditions.\u003c\/p\u003e\n\u003cul data-start=\"607\" data-end=\"892\"\u003e\n\n\u003cli data-section-id=\"1ay14z4\" data-start=\"607\" data-end=\"642\"\u003eProduction version, ready-made solution\u003c\/li\u003e\n\n\u003cli data-section-id=\"krj6xv\" data-start=\"643\" data-end=\"683\"\u003eDual pump system\u003c\/li\u003e\n\n\u003cli data-section-id=\"1k6p51p\" data-start=\"684\" data-end=\"737\"\u003eSecondary pump activates according to boost pressure\u003c\/li\u003e\n\n\u003cli data-section-id=\"17yfec9\" data-start=\"738\" data-end=\"777\"\u003eNearly 2x flow compared to stock\u003c\/li\u003e\n\n\u003cli data-section-id=\"1x28f9h\" data-start=\"778\" data-end=\"832\"\u003eSupports over 1200 whp low-pressure capacity\u003c\/li\u003e\n\n\u003cli data-section-id=\"1k3q5qn\" data-start=\"833\" data-end=\"892\"\u003eCompatible with all fuels, including E85\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"cukh04\" data-start=\"894\" data-end=\"914\"\u003eOperating Principle\u003c\/h3\u003e\n\u003cul data-start=\"915\" data-end=\"1130\"\u003e\n\n\u003cli data-section-id=\"29sttp\" data-start=\"915\" data-end=\"976\"\u003ePrimary pump operates normally under light load\u003c\/li\u003e\n\n\u003cli data-section-id=\"1qx0kgf\" data-start=\"977\" data-end=\"1029\"\u003eSecondary pump activates as boost increases\u003c\/li\u003e\n\n\u003cli data-section-id=\"1q6jihe\" data-start=\"1030\" data-end=\"1079\"\u003eIncreases fuel delivery at high loads\u003c\/li\u003e\n\n\u003cli data-section-id=\"1tjy11f\" data-start=\"1080\" data-end=\"1130\"\u003eEnsures consistent delivery to high-pressure pumps\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1few9je\" data-start=\"1132\" data-end=\"1167\"\u003eWhy is an upgrade necessary?\u003c\/h3\u003e\n\u003cp data-start=\"1168\" data-end=\"1258\"\u003eThe M178 engine's stock LPFP restricts performance, especially in tuned configurations:\u003c\/p\u003e\n\u003cul data-start=\"1260\" data-end=\"1431\"\u003e\n\n\u003cli data-section-id=\"1818q0n\" data-start=\"1260\" data-end=\"1309\"\u003eE85 significantly increases fuel demand\u003c\/li\u003e\n\n\u003cli data-section-id=\"1h93bit\" data-start=\"1310\" data-end=\"1364\"\u003eHigh power requires more flow capacity\u003c\/li\u003e\n\n\u003cli data-section-id=\"q2pub7\" data-start=\"1365\" data-end=\"1431\"\u003eHPFP cannot operate optimally without sufficient supply\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"1433\" data-end=\"1446\"\u003eStage 3 LPFP:\u003c\/p\u003e\n\u003cul data-start=\"1447\" data-end=\"1574\"\u003e\n\n\u003cli data-section-id=\"1fkrp6z\" data-start=\"1447\" data-end=\"1489\"\u003eRemoves the low-pressure bottleneck\u003c\/li\u003e\n\n\u003cli data-section-id=\"1s989dn\" data-start=\"1490\" data-end=\"1530\"\u003eImproves system reliability\u003c\/li\u003e\n\n\u003cli data-section-id=\"17pfyfm\" data-start=\"1531\" data-end=\"1574\"\u003eEnables very high power levels\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1085t9\" data-start=\"1576\" data-end=\"1594\"\u003eCompatibility\u003c\/h3\u003e\n\u003cp data-start=\"1595\" data-end=\"1644\"\u003eModels equipped with the Mercedes-AMG M178 engine:\u003c\/p\u003e\n\u003cul data-start=\"1646\" data-end=\"1692\"\u003e\n\n\u003cli data-section-id=\"v9hiuo\" data-start=\"1646\" data-end=\"1656\"\u003eAMG GT\u003c\/li\u003e\n\n\u003cli data-section-id=\"119jg83\" data-start=\"1657\" data-end=\"1668\"\u003eAMG GTS\u003c\/li\u003e\n\n\u003cli data-section-id=\"119jto3\" data-start=\"1669\" data-end=\"1680\"\u003eAMG GTC\u003c\/li\u003e\n\n\u003cli data-section-id=\"119jdr6\" data-start=\"1681\" data-end=\"1692\"\u003eAMG GTR\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"QT Parts","offers":[{"title":"Default Title","offer_id":49492706394459,"sku":"SP-LS3-M178","price":1545.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/2-1014x912_900x900_930c2eb3-9b5f-49c6-b00e-90b2b7bf2bde.png?v=1731759038"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/collections\/mersu_logo_1_d202dbcb-baf3-4ac1-acf8-a621f1855ffe.png?v=1731758523","url":"https:\/\/www.qtparts.fi\/en-gb\/collections\/spool-mercedes-m178.oembed","provider":"QT Parts","version":"1.0","type":"link"}