RM Downpipe BMW Decat B58 F2X,F3X,G1X,G3X/GT

QT Parts is a Finnish online store.

Our warehouse is located in Nokia, Finland.

You can collect your order directly from us if needed. Simply select “Pickup” at checkout.

Pay securely with multiple payment methods, including invoice and installment plans through Klarna.

The delivery time for products in stock is 1-5 business days. We ship worldwide.

If the product is not in stock and it is a pre order product, the average delivery time is 5-21 business days. If the product has a longer delivery time than previously announced, we will be in touch. International orders may be subject to VAT, import duties, and customs fees upon arrival in the destination country.

Terms for product returns:

• You must return the ordered products within 14 days of receiving
• The products must be unused and without damages
• Commission fee for handling returns is 21,90€
• For product returns, the customer is in charge of the return costs. Only door to door service (Express)
• Shipping costs are not refunded

For international orders sales are final and non-refundable. Once an order is placed, it cannot be canceled or returned. By placing an order, you acknowledge and agree to these terms.

Return address: QT Parts, Vasarakatu 8B, 37150 Nokia, Finland.

Pre order / made-to-order products

If the product you have ordered is a pre order or made-to-order item, it is not subject to the 14-day right of withdrawal or return under consumer protection laws, as the product is manufactured or sourced specifically based on the customer’s individual order.

If you wish to cancel your order before receiving the product, we will refund 50% of the total order amount.

This condition applies to the following product categories:

• Suspension
• Engine Tuning
• Engine Parts
• Exhaust Systems
• Fueling
• Turbochargers/superchargers
• Drivetrain
• ECE-approved Downpipes

All of the above products are manufactured or sourced individually based on the customer’s order, and therefore cannot be returned after delivery, unless the product has a manufacturing or material defect.

In the event of such a defect, the standard liability for defects as provided by consumer protection legislation shall apply.

Replaces the following BMW OEM part numbers

18327643152
18328631625
18328652180
18328684788

Note: This product may disable emission control devices, such as DPF / EGR / Adblue. Removing or modifying emission control devices is an unauthorized operation that may cause problems during periodic inspections.

*The product is not ECE-approved. For racing use only.

The downpipe has two lambda connections.

BMW 3 Series 340i F30, F80 2998 ccm, 240 KW, 326 PS 2015/07-2018/11
BMW 3 Series 340i xDrive F30, F80 2998 ccm, 240 KW, 326 PS 2014/10-2018/11
BMW 3 Series Touring 340i F31 2998 ccm, 240 KW, 326 PS 2014/10-2019/06
BMW 3 Series Touring 340i xDrive F31 2998 ccm, 240 KW, 326 PS 2014/10-2019/06
BMW 7 Series 740i, Li G11, G12 2998 ccm, 240 KW, 326 PS 2015/07-2019/02
BMW 4 Series Coupe 440i F32, F82 2998 ccm, 240 KW, 326 PS 2016/03-2022/12
BMW 4 Series Coupe 440i xDrive F32, F82 2998 ccm, 240 KW, 326 PS 2016/03-2022/12
BMW 4 Series Cabriolet 440i F33, F83 2998 ccm, 240 KW, 326 PS 2016/03-2022/12
BMW 4 Series Cabriolet 440i xDrive F33, F83 2998 ccm, 240 KW, 326 PS 2016/03-2022/12
BMW 4 Series Gran Coupe 440i F36 2998 ccm, 240 KW, 326 PS 2016/03-2022/12
BMW 4 Series Gran Coupe 440i xDrive F36 2998 ccm, 240 KW, 326 PS 2016/03-2022/12
BMW 1 Series M 140i F20 2998 ccm, 250 KW, 340 PS 2015/09-2019/06
BMW 1 Series M 140i xDrive F20 2998 ccm, 250 KW, 340 PS 2015/09-2019/06
BMW 1 Series M 140i F21 2998 ccm, 250 KW, 340 PS 2015/10-2022/12
BMW 1 Series M 140i xDrive F21 2998 ccm, 250 KW, 340 PS 2015/09-2022/12
BMW 2 Series Coupe M 240i F22, F87 2998 ccm, 250 KW, 340 PS 2015/09-2022/12
BMW 2 Series Coupe M 240i xDrive F22, F87 2998 ccm, 250 KW, 340 PS 2015/09-2022/12
BMW 2 Series Cabriolet M 240i F23 2998 ccm, 250 KW, 340 PS 2015/09-2022/12
BMW 2 Series Cabriolet M 240i xDrive F23 2998 ccm, 250 KW, 340 PS 2015/09-2022/12
BMW 3 Series Gran Turismo 340i F34 2998 ccm, 240 KW, 326 PS 2015/10-2022/12
BMW 3 Series Gran Turismo 340i xDrive F34 2998 ccm, 240 KW, 326 PS 2015/10-2022/12
BMW 5 Series 540i F90, G30 2998 ccm, 250 KW, 340 PS 2016/09-2020/06
BMW 5 Series 540i xDrive F90, G30 2998 ccm, 250 KW, 340 PS 2016/09-2020/06
BMW 5 Series Touring 540i xDrive G31 2998 ccm, 250 KW, 340 PS 2017/03-2020/06
BMW 6 Series Gran Turismo 640i G32 2998 ccm, 250 KW, 340 PS 2017/06-2020/06
BMW 6 Series Gran Turismo 640i xDrive G32 2998 ccm, 250 KW, 340 PS 2017/06-2020/06
BMW 7 Series 740 Li xDrive G11, G12 2998 ccm, 240 KW, 326 PS 2016/03-2019/02
BMW X4 M40i xDrive F98, G02 2998 ccm, 260 KW, 354 PS 2018/04-2019/08
BMW X3 xDriveM40i F97, G01 2998 ccm, 260 KW, 354 PS 2018/09-2019/08

Downpipe models

DECAT / RACE - Straight-through model, without catalyst / DPF. Produces the strongest exhaust sound. Not approved for road use. For racing use only.

200CPI - Recommended model. Equipped with a suitable metallic catalytic converter. Filtration capacity is sufficient to meet emission test requirements in most cars. 200CPI removes most exhaust fumes. Check road legality according to your car's emission class.

200CPI ECE - Model-specific product approved for road use. With 200CPI catalytic converter. Meets the emission test requirements for each model.

Why order from QT Parts?

Fast delivery - products often in stock

Secure purchase - We guarantee that you will receive an intact and correct product

Technical support - We provide you with necessary installation tips and help in choosing the right product

Unsure about choosing the right product? Ask, our customer service will be happy to help.