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.

Replaces the four restrictive factory catalytic converters with straight pipes for maximum flow, performance, and sound. Our included heat blankets consist of a 13mm thick ceramic fiber insulation rated to 1800 degrees. Stainless steel mesh over liner makes direct contact with the downpipes. The basalt fabric exterior covers sewn with stainless steel mesh covering all edges and high quality stainless steel spring fasteners ensure longevity.

SOUND:

These Cat Bypass Pipes will make your McLaren a LOT louder. Expect tons of turbo whistle, pops and crackle on deceleration, and aggressive snaps on upshift. There may be some interior drone.

POWER:

The ultimate power upgrade from your MP4-12C. On our dyno we saw curve gains of 33 whp and 22 ft/lbs of tq.

FEATURES:

• Fits all McLaren MP4-12C Vehicles (2011-2014)
• Maximizes power and throttle response while adding an aggressive exhaust note
• Heat Blankets are made from T312L mesh , Kevlar, and ceramic insulation for durability and the best insulating performance
• Investment cast inlets and outlets for best possible flow
• Minimum restriction after the turbo allows for the fastest-possible spooling and boost response
• Constructed from high-quality 14-16 gauge C.N.C. mandrel-bent T304L stainless steel for optimum flow and maximum durability
• Saves 10 lbs / 4.4 KGs from the vehicle versus bulky factory catalytic converters
• 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 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.