Replaces the restrictive factory catalytic converters with much less restrictive straight-through pipes for maximum flow and performance.

• HP (whp: +11
• TQ (ft/lbs): TBD
• WT (lbs): TBD

• Fits all Porsche 958 Cayenne S / GTS vehicles (2011+)
• Adds 11 wheel horsepower increasing throttle response 
• Fabspeed's Secondary Catbypass Pipes 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
• Adds an aggressive exhaust note for exotic high-performance sound
• Constructed from polished T304L stainless steel
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited 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.

Installation Guide PDF

Porsche 958 S/ GTS (2011+)

FS.POR.958V8.CB

Manufactured by

Fabspeed

Warranty

Lifetime Limited Warranty against defect

Porsche 958 S / GTS Secondary Catbypass pipes installed.

Gts bypass exhaust pipes

Fabspeed Porsche Cayenne 958 GTS / S Secondary Catbypass Pipes Clip

CUSTOMER CLIP: 958 Cayenne S with Fabspeed Secondary Catbypass Pipes

2012 Cayenne S, Stock Exhaust with Fabspeed Secondary Catbypass Pipes