Purchase Disclaimer: Fabspeed Motorsport does not condone the use of emission defeat devices for any vehicles used on public streets or roadways. Fabspeed Motorsport will not tamper, remove, disable, or bypass emissions equipment on a motor vehicle in accordance with 40 CFR Section 86.1854.12(a)(3), Clean Air Act 40 CFR 1068.101(b). This includes software, known as tunes, that reprogram a motor vehicles electronic control module to alter engine performance and enable the removal of filters, catalysts, and other critical emissions controls.

Straight-through exhaust section that replaces the heavy and restrictive OEM catalytic converters for maximum power and sound. Recommended for track/off-road use only.

SOUND:

An excellent way to make your BMW much louder and more aggressive sounding. Expect a significant increase in volume and pops and crackles if your tune has them.

POWER:

Remove the most restrictive part of your stock exhausts system. On our dyno we saw a massive max gains of 32 HP and 39 ft/lba of torque on a stock tune. You'll definitely feel these gains on your butt dyno.

FEATURES:

• Fits all BMW 335/135i vehicles (2006-2011)
• Improves max power by 32 whp and 39 ft-lbs of torque
• Straight pipe design allows for maximum power and sound
• Constructed from CNC mandrel-bent T304L stainless steel
• Simple DIY (Do-It-Yourself) bolt-on installation, no cutting or welding required
• 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, never to be driven on public roads. This product is or contains a Racing Cat Bypass Pipe, which will give you check engine lights on OBD2 cars. Racing Cat Bypass Pipes are solely intended for track and race cars as they are NOT California Air Resources Board Certified (CARB) and not EPA certified. You are hereby informed and warned to check your local, state, and federal 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.