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Active Autowerke is proud to release the highly anticipated Signature Track Pipe with X-Pipe and Connecting Pipes for the BMW E9X M3. 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 modfiy anything. It is a true bolt-on that can be performed by most.

This system eliminates the secondary cats with the option to eliminate the primary cats for off road use.

There is also a High Flow Cat option available via V-Band clamp. Active Autowerke is able to improve on the factory X Pipe design by a scavenging effect that yields high horsepower gains.

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 aganst rust.

This latest addition to the Signature line up is a must for the true Enthusiast looking for performance increases.

NOTE: This product replaces the factory exhaust catalyst and is intended for use on TRACK / OFF ROAD RACING. It is not intended for use on public highways.

• Power 12+ RWHP: Measured at the rear wheels on a chassis dyno
• Torque 8+ Ft Lbs of Torque: Measured at the rear wheels on a chassis dyno