We’re closed for the holidays starting Dec 22, and will re-open again Jan 2.

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High Horsepower Gains

This exhaust system was designed and engineered to work with most after-market exhaust systems/mufflers on the market today without the need to cut, weld or modify anything. It is a true bolt-on that can be performed by most. This system uses a free flowing 200-cell high flow catalytic converter. Active Autowerke is able to improve on the factory X Pipe design by a scavenging effect that yields high horsepower gains.

Measured Performance Increases

Dramatic weight savings are also gained when one compares the factory system at 40 lbs and the Active Autowerke Signature X Pipe weighting at a mere 25 lbs. Noticeable gains have been measured on the Active Autowerke Mustang Chassis dyno with a 12+ RWHP when adding this X Pipe to our Signature exhaust system and as much as 10+ RWHP when used to the BMW stock exhaust. The Active Autowerke X Pipe system is constructed of 100% 304-polished stainless steel and has a industry standard warranty against rust. This latest addition to the Signature line up is a must for the true Enthusiast looking for performance increases.

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About Active Autowerke

Since 1981, Active Autowerke has been known as the BMW innovators when it comes to BMW performance. All products come with a 2 Year Warranty.