Steeda S550 Mustang 3" Cat-Back Exhaust 5.0L Coyote- 304 Stainless Steel (2015-2017 GT)

Steeda S550 Mustang 3" Cat-Back Exhaust 5.0L Coyote- 304 Stainless Steel  (2015-2017  GT)
$225.04 (19%)

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555 3615


Steeda is proud to introduce our new 3" diameter Cat-Back Exhaust System for the 2015-2017 Ford Mustang Fastback GT.  We have designed this system to bring out the performance in your American made muscle car. Our cat-back exhaust design provides maximum horsepower due to the oversized 3" and the best flow and sound without annoying drone. 

This Steeda S550 Axle-Back Exhaust System is constructed from 304-stainless steel for  better than OE equivalent corrosion resistance. The tips of our Steeda 3" cat-back exhaust are constructed from polished 304-stainless steel and are embossed with Steeda's signature Sidewinder logo. 

The installation of this Cat-Back Exhaust System takes only 2-3 hours using common hand tools.

If you are serious about making power, this Steeda S550 Mustang Fastback GT Axle-Back Exhaust System delivers. The 3" diameter flows adequate whether you have a few add ons or a full blown power adder.  Our exhaust kit includes necked down adaptors for a factory style connection to OE converters.


Product Benefits:

  • Adds deep muscle car tone
  • Great daily driving volume with no drone
  • 304 stainless construction provides OE or better corrosion resistance
  • Maximum horsepower with simple bolts ons as well as full on power adders
  • Compatible with most full tube headers
  • 4" diameter chrome tips

Product Install Instructions

California Residents: Proposition 65 Warning

Fitment & Features


Manufacturer: Steeda Autosports

Vehicle Fitment:

Fits Model Year: 2015, 2016, 2017
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