{"product_id":"grail-exhaust-porsche-911-gt3-991-1-ece-hyvaksytty","title":"Grail Exhaust - Porsche 911 GT3 991.1 (ECE Approved)","description":"\u003ch3 data-end=\"104\" data-start=\"59\" data-section-id=\"8nm3n1\"\u003eLoud but Legal\u003c\/h3\u003e\n\u003cp data-end=\"434\" data-start=\"105\"\u003eGRAIL exhaust systems with ECE type approval can be used in EU vehicles without separate registration. Each system is handmade in Germany from high-quality L304 stainless steel. The result is a recognizable, intense soundscape that is felt from the very first start.\u003c\/p\u003e\n\u003cp data-end=\"586\" data-start=\"436\"\u003eIf you drive an imported vehicle with a type approval certificate, please check before purchasing whether the exhaust system requires an entry in the vehicle's registration data.\u003c\/p\u003e\n\u003ch3 data-end=\"633\" data-start=\"593\" data-section-id=\"1ok98kd\"\u003eLoud – maximum volume\u003c\/h3\u003e\n\u003cp data-end=\"692\" data-start=\"634\"\u003eGRAIL offers maximum, yet completely legal sound.\u003c\/p\u003e\n\u003cp data-end=\"986\" data-start=\"694\"\u003eIntelligent flap control allows for utilizing the engine's maximum permissible sound level. Thanks to effective silencers, a powerful and pure engine sound is achieved outside the test areas, as only in these areas do the flaps close and the rear silencer affects the exhaust gas flow.\u003c\/p\u003e\n\u003cp data-end=\"1068\" data-start=\"988\"\u003eThis creates an authentic, unrestricted engine sound and maximum volume.\u003c\/p\u003e\n\u003ch3 data-end=\"1123\" data-start=\"1075\" data-section-id=\"r5vn9f\"\u003eQuiet when needed – two cars in one\u003c\/h3\u003e\n\u003cp data-end=\"1183\" data-start=\"1124\"\u003eGRAIL is not just loud – it adapts to the situation.\u003c\/p\u003e\n\u003cp data-end=\"1312\" data-start=\"1185\"\u003eVehicle-specific designed silencers, developed in GRAIL's sound laboratory, combined with durable flaps, ensure:\u003c\/p\u003e\n\u003cul data-end=\"1406\" data-start=\"1313\"\u003e\n\u003cli data-end=\"1354\" data-start=\"1313\" data-section-id=\"jn8bkx\"\u003e\n\u003cp data-end=\"1354\" data-start=\"1315\"\u003eMaximum sound with open flaps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1406\" data-start=\"1355\" data-section-id=\"e4g1h8\"\u003e\n\u003cp data-end=\"1406\" data-start=\"1357\"\u003eEffective sound attenuation with closed flaps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1620\" data-start=\"1408\"\u003eWhen driving in test areas, the system remains at the noise level of the original exhaust system. Thanks to high-quality materials and design, the difference between the quiet and loud modes is exceptionally clear.\u003c\/p\u003e\n\u003ch3 data-end=\"1655\" data-start=\"1627\" data-section-id=\"9mrx2g\"\u003eFlow-optimized design\u003c\/h3\u003e\n\u003cp data-end=\"1851\" data-start=\"1656\"\u003eThe GRAIL exhaust system is designed to minimize resistance in the exhaust gas flow. A larger pipe diameter and fewer constrictions significantly improve flow compared to the standard system.\u003c\/p\u003e\n\u003cp data-end=\"1927\" data-start=\"1853\"\u003eThe result is a freer-breathing engine without unnecessary restrictions.\u003c\/p\u003e\n\u003ch3 data-end=\"1963\" data-start=\"1934\" data-section-id=\"ayorto\"\u003eRobust construction and precision\u003c\/h3\u003e\n\u003cp data-end=\"2158\" data-start=\"1964\"\u003eStainless steel flaps made from CNC-machined solid material operate within model-specific defined measurement ranges. This allows for an optimal combination of:\u003c\/p\u003e\n\u003cul data-end=\"2240\" data-start=\"2159\"\u003e\n\u003cli data-end=\"2182\" data-start=\"2159\" data-section-id=\"13n2161\"\u003e\n\u003cp data-end=\"2182\" data-start=\"2161\"\u003eLower back pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2216\" data-start=\"2183\" data-section-id=\"1199b6a\"\u003e\n\u003cp data-end=\"2216\" data-start=\"2185\"\u003eMaximum volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2240\" data-start=\"2217\" data-section-id=\"1hstqgd\"\u003e\n\u003cp data-end=\"2240\" data-start=\"2219\"\u003ePure engine sound\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2274\" data-start=\"2247\" data-section-id=\"18ruvt6\"\u003eQuality Made in Germany\u003c\/h3\u003e\n\u003cp data-end=\"2344\" data-start=\"2275\"\u003eGRAIL offers what is expected from a high-performance exhaust system:\u003c\/p\u003e\n\u003cul data-end=\"2455\" data-start=\"2345\"\u003e\n\u003cli data-end=\"2373\" data-start=\"2345\" data-section-id=\"1pvf7iv\"\u003e\n\u003cp data-end=\"2373\" data-start=\"2347\"\u003eFirst-class workmanship\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2402\" data-start=\"2374\" data-section-id=\"ocgh58\"\u003e\n\u003cp data-end=\"2402\" data-start=\"2376\"\u003eTop-notch materials\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2455\" data-start=\"2403\" data-section-id=\"9ghyhl\"\u003e\n\u003cp data-end=\"2455\" data-start=\"2405\"\u003eMaximum, vehicle-optimized soundscape\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2615\" data-start=\"2457\"\u003e\u003cstrong data-is-last-node=\"\" data-end=\"2615\" data-start=\"2457\"\u003eThe perfect choice for the driver who wants to get both performance and a pure, mechanical sound from their Porsche 911 GT3 (991.1) – without compromise.\u003c\/strong\u003e\u003c\/p\u003e","brand":"QT Parts","offers":[{"title":"Polished","offer_id":52607969067355,"sku":"100243+101288","price":8059.0,"currency_code":"EUR","in_stock":true},{"title":"Black","offer_id":52607969100123,"sku":"100243+101383","price":8129.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/porsche-911-gt3-9911-grail-exhaust.png?v=1773740949","url":"https:\/\/www.qtparts.fi\/en-eu\/products\/grail-exhaust-porsche-911-gt3-991-1-ece-hyvaksytty","provider":"QT Parts","version":"1.0","type":"link"}