aFe is proud to introduce the aFe dual cat-back exhaust system for the 2012-2015 Porsche 911 Carrera S (991) with the H6-3.8L naturally aspirated engine. In recent testing this aFe cat-back exhaust system produced 34 horsepower and 43 lbs. x ft. of torque, furthermore, weighs 20 lbs. less than the stock exhaust. With the iconic 911 already a well-engineered performance driving machine, aFe developed the perfect balance of pure, race-inspired performance while ensuring that perfect sound decibel and exhaust note creates the ultimate driving experience. Starting with a CAD X-Pipe, aFe spent countless hours of R&D to ensure perfection in volume, flow and balance. Furthermore, aFe's unique brushed finish step mid pipe design unleashes all available power and creates a broad and exciting power band. Available with 3.5" pure carbon fiber quad tips and CNC-Machined laser-etched tip inserts, this system is hand-crafted and TIG-welded for a perfect, precise fit and 100% complete bolt-on installation. No modifications necessary.
CAD X-Pipe Design:
Designed to help to scavenge exhaust pulses, aFe spent countless hours delivering the perfect X-Pipe to deliver optimum power while reducing exhaust drone.
Step Mid Pipe Design:aFe's race inspired unique brushed finish step mid pipe design unleashes all available power and creates a broad and exciting power band
Race-Proven Spring Hook Design:
This exhaust system uses a race-proven spring hook connection over typical band clamps or connector flanges eliminating any unnecessary and un-wanted weight while allowing the system to expand avoiding any possible stress points prone to failure.
304 Stainless Steel Exhaust System:
This unique exhaust system uses 304 Stainless Steel that is TIG-welded and has a hand brushed finish.
3-1/2"Carbon Fiber Quad Tips:
Included in this kit are light weight 3.5" pure carbon fiber quad tips and CNC-Machined laser-etched tip inserts which give an aggressive, yet elegant sporty look.
Will NOT fit 991 turbo.
Will NOT fit vehicles equipped with PSE option (exhaust valve).
This product does not require a CARB EO#
All aFe exhaust systems are engineered and manufactured in our Corona, California facility.