Cat-Back Exhaust

Steeda's full length 1979-2019 Mustang cat-back exhaust systems make more power than axle-back exhausts and are a must if you've upgraded to a power adder or a tune with traditional bolt on upgrades. With upgraded long tube header applications,  a cat-back kit is generally needed  to realize maximum benefit. 
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Steeda S550 Mustang 3
This Steeda 2015-2017 Mustang Cat-Back Exhaust System is constructed from 304-stainless steel for better than OE equivalent corrosion resistance. Design provides maximum horsepower due to the oversized 3" and the best flow and sound without annoying dron
Flowmaster Mustang GT American Thunder Cat-Back Exhaust System (1987-1993)
Flowmaster 17116 American Thunder Cat-Back Exhaust System delivers the signature Flowmaster sound and more horsepower from your 5.0 H.O. Fox body Mustang
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