Flowmaster Flow FX Muffler 1998-pontiac-firebird-esi4271216 The Flowmaster American Thunder® Axle-back

The Flowmaster American Thunder® Axle-back exhaust system for the 2018-2023 Ford Mustang GT with the 5

This gives you all the strength and adjustability you need for great handling without huge increases in NVH

And weighing in at less than 8lbs per arm

and TIG welded for exceptional strength

we're providing the core strength your engine build demands

Flowmaster Flow FX Muffler 1998-pontiac-firebird-esi4271216 The Flowmaster American Thunder® Axle-backFlowmaster's Flow FX series mufflers deliver a moderate performance tone for the enthusiast looking for an exhaust note that is different from the "chambered" muffler sound. With a dual 3. 00 inch inlet and outlet size, this muffler is a great choice for large displacement gas engines. The interior features a large 3. 00 inch "straight through" X pipe style stainless steel perforated core, surrounded with high temperature sound absorption materials