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 system will also fit on US Import non active exhaust 2024+ GT Mustangs

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

INSTALL GUIDE - CLICK HERE

* Note Automatics can sometimes suffer from increased drone to ultra low revs used by economy seeking software. Often sport mode can cure this. This tip applies to all aftermarket exhausts not just the Steeda system.

Does not fit convertibles - will Fit NON-ACTIVE (i.e import) S650 V8