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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
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Description
Active Autowerke BMW N55 F3X M235I 335I 435I F87 M2 GESI Catted Downpipe (11-040)The Active Autowerke BMW N55 F3X M235i 335i 435i F87 M2 GESI Catted Downpipe (11 040) is engineered to optimize exhaust flow and turbo response for F Chassis N55 engines (2014 and up). It replaces the restrictive OEM downpipe with high quality stainless steel piping and a high flow catalytic converter that maintains emissions compliance without triggering a check engine light. Fits all F Chassis N55 cars from September 2013 onward Includes 4. 5" high
The Active Autowerke BMW N55 F3X M235i 335i 435i F87 M2 GESI Catted Downpipe (11-040) is engineered to optimize exhaust flow and turbo response for F-Chassis N55 engines (2014 and up). It replaces the restrictive OEM downpipe with high quality stainless steel piping and a high flow catalytic converter that maintains emissions compliance without triggering a check engine light.
- Fits all F-Chassis N55 cars from September 2013 onward
- Includes 4.5" high flow GESI catalytic converter that avoids Check Engine Lights (excluding California)
- Constructed with 3.5" diameter 304 stainless steel piping for durability and performance
- GESI EPA registered, OBD2 compliant catalytic converter suitable for 500 to 850 HP applications
- Reduces back pressure allowing quicker turbo spool and improved power over stock
- Durable TIG welded construction with modular design for future upgrades
- Capable of withstanding temperatures up to 1500°F and operational efficiency within 9 seconds of startup
- Simple bolt-on installation requiring no cutting or welding
- Covered by 5 year / 50,000 mile warranty on shell and tube ends, 2 year / 25,000 mile on catalytic core
This downpipe maintains emissions performance with GESi's proprietary precious metal loading technology and features full 304 stainless steel construction including the substrate, ensuring durability and compliance in all states except California. Designed specifically for forced induction applications, it offers a reliable upgrade for enthusiasts seeking improved exhaust flow and turbo efficiency without sacrificing emissions compliance.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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