More Power and an Aggressive Sound. If your looking to wake up the sound of your GT and the entire neighborhood for that matter, the SR Performance Muffler Delete Axle-Back Exhaust is for you. By replacing the factory mufflers with a set of straight pipes you will add an extremely loud and aggressive exhaust note to your V8 powered Pony. This Muffler Delete Axle-Back won't only improve the sound of your Pony, but it will also improve its power as well. By eliminating the restrictive stock mufflers you will increase exhaust flow for a noticeable increase in both power and performance.Quality Construction. SR Performance manufactures their Muffler Delete Axle-Back from 304 stainless steel tubing for superior strength and long lasting corrosion resistance. Featuring mandrel bent 2.5" diameter tubing and a set of straight through exhaust tips, this Axle-Back will dramatically out flow the stock exhaust system. The included 4" 304 stainless steel exhaust tips are polished to a bright brilliant shine for a classic muscle car appearance.Cut & Clamp Installation. The installation of this SR Performance Axle-Back Exhaust system will require cutting and removing the stock muffler assemblies. The new muffler assemblies will install in place of the old. Clamps and instructions are provided.Application. SR Performance Muffler Delete Axle-Back Exhaust with Polished Tips is designed to fit both Fastback and Convertible 2015-2017 GT Mustangs equipped with the DOHC 5.0L V8 Coyote engine.