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Flowmaster Exhaust Systems Part #817574 Customer Reviews

Flowmaster American Thunder

Reviewed by Brett W (Waterloo, IL) Reviewed for a 2004 Ford Mustang — Jan 04, 2017 7:18 AM

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Awesome sound and a great product, this the second time that I've purchased this product for different cars that I've owned.

Flowmaster Exhaust Systems - 817574

Cat Back Exhaust - American Thunder Series
(1,691)
  • $255.97 - $1,557.97
  • Free Shipping
  • Ships By 1/17
  • What Do You Drive?

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  • Style:
    2.5" Dual dump exit (409 Stainless)
  • Part #:
    817574
  • Main piping diameter: 2.5"
  • Does not include exhaust tips
  • Super 44 Series Mufflers
  • Sound level: Aggressive
  • Turn-down style tailpipes
  • Download installation instructions (PDF)
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