Flowmaster Cat-Back Exhaust Kit Outlaw Stainless Steel Fastback GT 2015-2017

100% of 100


  • Made In The USA!
  • 3" Mandrel Bent Tubing
  • 409S Stainless Steel
  • 3" Scavenger X-Pipe
MSRP $1,117.00
You save 19%

Flowmaster Stainless Steel Outlaw Cat-Back Exhaust Kit for 2015, 2016 and 2017 Fastback GT Mustangs.

If you are looking for an exhaust to unleash the 5.0L Coyote in your 2015-2017 Fastback GT Mustang, then look no further. This Flowmaster Stainless Steel Outlaw Cat-Back Exhaust Kit from CJ Pony Parts brings out a primal side to the Mustang GT’s V8 with an exhaust note that is loud and powerful.

Flowmaster Stainless Steel Outlaw Cat-Back Exhaust Kit 817734 Benefits and Features:
- Constructed from 409S Stainless Steel
- Mandrel Bent 3” Tubing
- 3” Scavenger X-Pipe
- Black Powder-Coated Finish
- Polished 4” Double Wall Angle Cut Exhaust Tips
- Race-Inspired Outlaw Technology
- Dyno Tested to Achieve Maximum Performance
- Deep and Aggressive Exhaust Note
- Includes Hardware for Installation
- Made in the USA

The Stainless Steel Outlaw Cat-Back Exhaust Kit from Flowmaster is constructed from durable 409S stainless steel and has a black powder-coated finish for added toughness. Not for the faint of heart, this exhaust unlocks hidden power that was trapped be the factory system on your Mustang and unleashes a brutal exhaust note to match the ferocity of the 5.0L Coyote. The core of this system is a pair of Flowmaster’s race-inspired Outlaw Series mufflers teamed with a 3” Scavenger X-Pipe and mandrel bent 3” tailpipes that all work together to optimize performance. The kit ends in a pair of beautifully polished 4” double wall angle cut exhaust tips with embossed Flowmaster logos adding a nice custom touch to the exhaust. Manufactured in the USA, this exhaust kit will include all the necessary hardware that you will need for a simple installation.

*This exhaust fits Fastback GT Mustangs ONLY, it will NOT fit Convertibles.

Please Note: Installation requires cutting of the factory exhaust piping. Once the modifications have been made to the factory exhaust system, Installation is a simple bolt-in procedure.

When you're looking for an exhaust for your 1964-2017 Mustang, every owner needs to check out Flowmaster's exhaust systems and mufflers. Flowmaster is a manufacturer of just about any part you need for your Mustang's exhaust, from full exhaust systems and exhaust kits to mufflers and accessories.

Order this Flowmaster 817734 Stainless Steel Outlaw Cat-Back Exhaust Kit for your 2015, 2016 or 2017 Fastback GT Mustang from CJ Pony Parts today!

California Residents: Proposition 65 Warning

Installation Difficulty


Intermediate skill is required for this installation.

Vehicle Fitment

This product will fit the following Mustang years:

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