Replaces the restrictive factory catalytic converters with much less restrictive straight-through pipes for maximum flow and performance
Fits all BMW X5M (E70) vehicles
Increases throttle response and provides mild exhaust note improvement
Fabspeed's Catbypass Downpipes replace the restrictive factory catalytic converters with much less restrictive straight-through pipes for maximum flow and performance.
Direct bolt-on replacement for the heavy factory catalytic converters
Constructed from polished T304L stainless steel in our Fort Washington, PA facility
All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty
Four (4) bolts, washers, and nuts are included. No gaskets are included.
Recommended for track and off-road use only (NOTE: It the purchaser's responsibility to verify legality and compliance in their region.)
NOTE: A check engine light can be expected with this product, which can be removed with an ECU tune.
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. This product is or contains a Racing Cat Bypass Pipe, which will give you check engine lights on OBD2 cars. We suggest pairing this product with racing software to prevent fault codes and check engine lights. 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.