aFe Power MachForceXP Cat-Back Exhaust

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List price: USD 3,669
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aFe Power MachForceXP Cat-Back Exhaust for 2012-2016 Porsche 911 Carrera (991) [3.4L H6 / 3.8L H6]

  • Horsepower Increase: +34hp
  • Torque Increase: +43 ft.lbs

3.00in to 2.50in 304 Stainless Steel Construction:

This cat-back exhaust system is constructed of 3 IN to 2-1/2 IN mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability. This system weighs in 20 lbs. less than the factory exhaust.

High-Flow 304 Stainless Steel Mufflers:

This system features high-flow 304 stainless steel polished mufflers, producing a powerful sound. The mufflers has a polished finish for ultimate corrosion resistance.

Quad 3.50in Diameter Exhaust Tips:

Finishing off this exhaust system are quad 3.50in diameter exhaust tips. The tips features an aFe POWER logo for a unique style.


Utilizing factory style flanges and hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation.

Integrated Mitered Merge X-Pipe:

A mitered merge x-pipe is used to balance and evenly distribute exhaust pulses traveling through the exhaust system, minimizing exhaust drone and maximizing scavenging.

Computer-Aided Design:

Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment.

TIG Welded:

100% TIG welded for race-proven strength and durability.

  • Porsche 911 Carrera (991) [3.4L H6]
  • Porsche 911 Carrera S (991) [3.8L H6]

Product Enquiry

If you have any questions about this product, send us a message with one of the following messaging apps.


aFe Power
Vehicle Fitment:
  • Porsche 911 Carrera (991) [3.4L H6]
  • Porsche 911 Carrera S (991) [3.8L H6]


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