Description
For over 30 years, Active Autowerke has been the one to turn to for high-quality BMW performance products. Committed to enhancing the performance of BMWs through the highest quality products is what Active Autowerke is all about.
The B46 downpipes are strategically engineered to virtually eliminate the immensely restrictive characteristics of the factory downpipes – therefore reducing radiant heat and increasing performance.
Features Include
NO CEL when using this downpipe
GESI EPA registered high flow and fully OBD2 compliant
Casted upper stainless steel V-Band for precise fitment
3 inch diameter piping allows for maximum power output
Quicker turbo spool
Rated for 500 to 850 hp applications
Withstands up to 1500° F
Can reach operational efficiency within 9 seconds of startup
Easily bolts-on – no cutting or welding required
Durable construction from TIG welded 304 stainless steel
Ultra high flow 400 cell per square inch catalyst
EPA certified for use on OBD2 vehicles (1996 and newer) except in California
304 stainless steel substrate in catalytic converter is furnace braised to the mantle for outstanding durability
GESi® proprietary precious metal loading technology ensures greatly reduced emissions
Both passengers and drivers are safe from harmful emissions and noise
Precise fitment
Made in Miami, Florida
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Covered by 5 Year / 50,000 Mile Warranty (on shell and tube ends)
Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.