Select Vehicle
BMW
Mini
Create an account to be able to build Wish Lists.
Please ensure your correct model is selected
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
Unleash the full potential of your BMW N55 (Electric Wastegate) with the CTS Turbo High-flow Cat, meticulously designed to optimize exhaust flow and deliver unmatched power gains. Bid farewell to factory constraints and welcome superior performance and enhanced sound!
Utilizing advanced CAD technology, this component seamlessly replaces your factory downpipe, ensuring a precise fit. Crafted from robust T304 stainless steel and expertly hand TIG welded with back purging, it ensures long-lasting and dependable performance.
Highlighted Features:
Precision-designed and rigorously tested for peak performance T304 stainless steel construction with TIG welded back-purged joints Direct replacement for the restrictive factory downpipe Substantial power increase without sacrificing performance Creates an exhilarating sporty exhaust sound while maintaining a refined tone during normal driving Eliminates drone typically found with factory exhaust setups Elevate your BMW N55's performance and sound with the CTS Turbo High-flow Cat, engineered for exceptional quality and outstanding performance on the road.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
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
Covered by 5 Year / 50,000 Mile Warranty (on shell and tube ends)
FITMENT NOTE: For G-Chassis models (G20, G22), the cutoff build date of 08/2020 is important as cars produced after that date have a downpipe with different bracket locations. Cars with a build date of 08/2020 and earlier have the brackets in a V configuration. Cars with a build date of 09/2020 and later have the brackets in a straight line and require Active Autowerke p/n 11-065G
The CTS Turbo High-Flow Cat for the BMW BN26 is made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts – unleash your BMW’s potential!
Precisely designed and tested on a real car in the real world T304 stainless steel, TIG welded back-purged construction Replaces restrictive factory downpipe with high-flow 200-cell catalytic converter Great power upgrade with uncompromising performance Incredible sporty exhaust sound, subtle when cruising No drone with factory exhaust Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Manufactured from T304 stainless steel, hand TIG welded and back-purged to ensure years of reliable performance.