Replaces the restrictive and redundant factory secondary catalytic converters with a free-flowing x-pipe section which increases power and sound; available with or without resonators for additional weight savings.
Fits all BMW E90/92/93 M3 vehicles (2007-2013)
Increases horsepower and torque by 15 whp and 8 ft-lbs
Can be ordered with or without resonators; Non-resonated configuration is recommended for track/off-road use only due to the aggressive exhaust note.
Constructed from high-quality 14-16ga T304L stainless steel for optimum performance and reliability
Complies with most emissions & inspections regulations
All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty
DISCLAIMER: This product removes the OEM catalytic converters from the vehicle, and as such, is strictly intended for closed track events and off-road use only. Racing Cat Bypass Pipes are solely intended for track and race cars as they are NOT California Air Resources Board Certified and not EPA certified. You are hereby informed and warned to check your local, state, and federals laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation. All installation-risk and use-risk is borne by the end-user and installer of these parts.
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Last week I had a Fabspeed x-pipe installed on my M3 and I made 20whp, which is very impressive given I had stock mufflers at the time. At idle my car sounded the same as stock; on the gas the Fabspeed x-pipe came to life.
I am very pleased with my new Fabspeed X pipe for my E93. I had the car dynoed bone stock and then with the fab speed pipe and air filter. I gained 21 HP and 18 FPT over stock and it was 20 degrees warmer the day of the test. It looks like I gained 15 HP from the X pipe and 6 from the filter. The sound of the pipe is great with the stock muffler. It's more aggressive when you step on it but not much louder than stock at idle. The combo of the exhaust and air filter makes the car feel like its taking in more air; making it sound great.