Cat By-Pass Pipes for Porsche 991.1/991.2 3.8L turbo 2013-19; 7X9 CM
991 08 00 025

Catless By-Pass pipes for Porsche 991.1/991.2 turbo 3.8L 2013-16. 7X9 CM head mounting flange bolt pattern. Critical measurement is flange bolt pattern is 7X9 CM.These By-Pass pipes replace the factory catalytic converters with straight flow pipes. Designed for track use. Please make sure you give us your VIN number later on as you check out.

     Features:

• Manufactured in 304 stainless
• Cats are removed for straight through air flow giving improved torque and horsepower.
• Typical horsepower gains 20+ and torque 20+ ft. lbs.
• Reduced weight in the rear of the car.
• By-Pass pipes enhance turbo sound and improve throttle response
• Includes 2 @ O2 sensor bungs in each pipe

    Application List

Porsche 991 Turbo, 2014–2016 3.8L flat-6,520 HP
Porsche 991 Turbo, 2017–2019 3.8L flat-6, 540 HP
Porsche 991 Turbo S, 2014–2016 3.8L flat-6, 560 HP
Porsche 991 Turbo S, 2017–2019 3.8L flat-6, 580 HP

These parts are intended for off road or track use only! This product is sold for off road use only. It is not legal for use on public highways. This product is not for sale or use in California. It is available to our international customers for use within legal limits in their domicile.