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Flowmaster Exhaust Systems Part #817590 Customer Reviews

Average Rating

2 Customer Reviews

Great system at a great price!

Reviewed by John C (Ooltewah, TN) Reviewed for a 2014 Ford Mustang — Feb 15, 2017 4:02 PM

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It would have helped if they had instructions stating the factory H pipe clamps needed to be used. And please note, they are needed to mount the X pipe in place of the H pipe. Regardless, the system is sick! Great throttle response, LOUD, and sounds extremely good!


Reviewed by Adam R (Maxwell, TX) Reviewed for a 2014 Ford Mustang — Mar 23, 2015 8:28 PM

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had one on my other mustang they're the best ??

Flowmaster Exhaust Systems - 817590

Cat Back Exhaust - Outlaw Series
  • $881.76
  • Free Shipping
  • Ships Between 7/23 - 7/25
  • What Do You Drive?


  • Style:
    Dual Rear Exit (409 Stainless)
  • Material:
    With Dual Exhaust Tips
  • Part #:

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