Active Autowerke F3X 335i/435i Valved Rear Exhaust GEN 2 - carbon over black chrome tips (11-115CBC) 17375 Dyno Proven gains of up

Dyno Proven gains of up to 14 hp and 12 lb-ft

Carrying on a tradition of durability and dependability

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Active Autowerke developed this rear axle-back exhaust to enhance the driving experience of the BMW F87 M2 Competition and M2 CS by refining sound quality and optimizing flow while retaining the factory valve actuators

5 1972 Pontiac Grandville Engine: 7

Active Autowerke F3X 335i/435i Valved Rear Exhaust GEN 2 - carbon over black chrome tips (11-115CBC) 17375 Dyno Proven gains of upThe Active Autowerke F3X 335i 435i Valved Rear Exhaust GEN 2 combines durable 100% brushed 304 stainless steel construction with enhanced OEM valve integration. This compact rear exhaust system features double walled tips available in brushed, black, or carbon finishes, suited for coupe, convertible, and sedan models. Large mandrel bent piping for maximum flow Uses factory valve system to control exhaust sound dynamically Durable, brushed 100% 304