Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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Description
Active Autowerke Catted Downpipe - BMW / N20 / F3X / M228i / 328i / 428i (11-079)The Active Autowerke Catted Downpipe is designed for BMW F Chassis N20 engines found in the M228i, 328i, and 428i models starting in 2012. It addresses the restrictive nature of the OEM downpipe by enhancing exhaust flow to optimize turbocharger performance. Constructed from 3. 5" diameter TIG welded 304 stainless steel for durability and precise fitment Includes a 4" ultra high flow GESI catalytic converter rated for 350 to 500 horsepower
The Active Autowerke Catted Downpipe is designed for BMW F-Chassis N20 engines found in the M228i, 328i, and 428i models starting in 2012. It addresses the restrictive nature of the OEM downpipe by enhancing exhaust flow to optimize turbocharger performance.
- Constructed from 3.5" diameter TIG welded 304 stainless steel for durability and precise fitment
- Includes a 4" ultra high flow GESI catalytic converter rated for 350 to 500 horsepower applications
- GESI catalytic converter is fully EPA registered, OBD2 compliant, and designed to prevent check engine lights (not CARB legal)
- High flow 400 cell per square inch catalyst substrate furnace-brazed for durability
- Modular design allows future upgrades without cutting or welding
- Rated to withstand exhaust temperatures up to 1500°F and reaches operational efficiency rapidly
- Designed to reduce turbo spool time and improve power delivery over stock downpipes
- Covered by a 5 Year / 50,000 Mile warranty on the shell and ends, and 2 Year / 25,000 Mile warranty on the catalytic core
This downpipe bolts directly onto the factory turbo assembly, providing a reliable, emission-compliant upgrade for forced induction applications within specified horsepower ranges.
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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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]
- Please click here for more details>>> Return & Exchange Policy