Pypes Performance Exhaust Cat-Back Exhaust Kit H-Box Stainless Steel With 4" Tips Mustang GT Fastback 2015-2017

Pypes Performance Exhaust:


  • Anti-Corrosion Stainless Steel
  • OE Style Direct Fit Upgrade
  • Includes Necessary Hardware
  • Quick and Simple Installation
MSRP $915.49
You save $42.74

Pypes Performance Exhaust H-Box Stainless Steel Cat-Back Exhaust Kit with 4" Tips for 2015, 2016 and 2017 GT Fastback Mustangs.

These Pypes Cat-Back Exhaust Systems (SFM80MH) accentuate the baritone roar of your Coyote V8. This slip on Cat-Back is made from premium 304 stainless, increasing horsepower and torque on your S550 GT. This system includes the H-Box system, which functions similarly to an H-pipe. It brings out the lower tones of your engine, rather than the hiher-pitched sound of an X-pipe.

Features and Benefits:
- High Quality 304 Stainless Steel
- 3” Mandrel Bent Piping
- Resonator Delete H-Box
- Interchangeable Connection Adaptors
- Pair of M80 Bullet Mid Mufflers
- Welded on Exhaust Hangers
- Low Tone Classic Muscle Exhaust Sound
- 4” Double Walled Polished Tips
- Improved Exhaust Flow
- Increases Horsepower and Torque Output

The Pypes H-Box Stainless-Steel Cat-Back Exhaust Kit with 4” Polished Tips will give your Mustang a clean low tone exhaust note with added performance. The Pypes H-Box Cat-Back Exhaust is constructed from high quality 304 stainless steel that is 3” in size that is mandrel bent for the best flow possible.

This Exhaust has interchangeable connection adaptors to go from the stock exhaust piping to the 3” Pypes Cat-Back exhaust system. This Cat-Back will give off a classic muscle exhaust sound. The H-Box flow pattern into the Pypes M80 Bullet style mid mufflers will deliver more horsepower and torque.

The Cat-Back features high quality double walled 4” Polished Tips for superior styling with added power, with this high flowing system. This Kit includes 4” Polished Tips, exhaust hangers, and all the necessary hardware. This is an OE Style Direct Fit upgrade, making it a quick and simple install on your Fastback GT Mustang.

Vehicle Fitment:
- 2015-2017 Fastback GT Mustangs

California Residents: Proposition 65 Warning

Installation Difficulty


Novice skill is required for this installation.

Vehicle Fitment

This product will fit the following Mustang years:

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