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This product was last offered at the strikethrough price on
12-23-2025
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.
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.
This N20 downpipe feature larger piping and catalytic converter that are freer-flowing than the original cats for better flow and less backpressure. By removing exhaust restrictions the turbos can spool up faster which makes more boost sooner. With additional tuning, more power is available. There are downpipes that delete the primary cats and can leave the exhaust with a dirty and awful smell. These Wagner downpipes are built with a sport cat to keep the exhaust cleaner.Special software, or stand-alone engine management, may be required to keep emissions fault codes and check engine lights from appearing.
Features:
This product modifies (but does not remove or defeat) emissions equipment. For this reason this product may not be CARB compliant, and therefore not emissions legal in some states. Consult local laws and regulations in your area. For more information on this product, feel free to contact our sales department.
This item fits the following BMWs:
2014+ F22 BMW 228i
10/2012+ F30 BMW 328i 328i xDrive 328xi - Sedan (with N20 engine; not for N26 SULEV engine)
2014+ F32 BMW 428i 428i xDrive 428xi - Coupe (with N20 engine; not for N26 SULEV engine)
Left Hand Drive ONLY
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
This plug is a replacement for the following models: 10901020A, 10901020B, 10901020C, 10901020D, 10301050, 10101020 and any other VRSF chargepipe that utilizes a water injection bung. VRSF Replacement Chargepipe Methanol/Water Injection Bung Plug for 07-16 BMW N54/ N55/ N20/ N26/ S55/ B58 is a crucial component for maintaining peak performance in turbocharged BMW engines. Designed to prevent boost leaks and ensure a secure seal for methanol and water injection ports, this bung plug is crafted from premium materials for long-lasting reliability. Compatible with VRSF chargepipes, it is an ideal solution for BMW enthusiasts seeking precision and durability in their high-performance setups. Available through Turner Motorsport, this part ensures seamless integration with your BMW's engine components.
Benefits: Ensures a secure seal for methanol and water injection ports to prevent boost leaks Built from high-quality materials for superior strength and longevity Compatible with VRSF chargepipes on 07-16 BMW N54, N55, N20, N26, S55, and B58 engines Easy installation minimizes downtime and simplifies engine upgrades Maintains optimal turbo efficiency and performance in high-pressure systems The VRSF Replacement Chargepipe Methanol/Water Injection Bung Plug for 07-16 BMW N54/ N55/ N20/ N26/ S55/ B58 is the ultimate choice for BMW owners committed to maximizing reliability and performance.
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
Engineered for optimal performance and durability, this reducer allows for seamless connection between your downpipe and cat-back exhaust system. Its high-quality construction ensures a tight seal, reducing exhaust leaks and enhancing overall exhaust flow. With easy installation and compatibility with various exhaust systems, this reducer is a must-have for any performance enthusiast.
Crafted to enhance the exhaust flow of your B46-equipped BMW, this downpipe is equipped with a 200-cell high-flow catalytic converter and mandrel bent 4" piping. With a sleek brushed steel finish, this downpipe is constructed entirely from 100% stainless steel and TIG-welded for ultimate durability, surpassing the factory catalyst.
Key Features:
1. Elevated initial torque curve 2. Enhanced throttle response and quicker turbocharger spooling 3. Precisely CNC machined turbocharger V-band flange 4. Maintains the factory "ball-type" v-band connector 5. Compatible with both factory and aftermarket exhaust systems 6. Tested for durability on the track 7. Proudly made in the USA