Magnaflow Muffler Delete Stainless Steel 2.5" axleback for the 2010 GT / Shelby GT500 is a mandrel bent, direct-fit system featuring 4" Polished Stainless Steel Tips. Has an AGRESSIVE tone. Magnaflow has more than 20 unique systems for the popular Ford Mustang and Magnaflow dynos have logged more hours for Mustangs than for any other vehicle niche. All Magnaflow Mustang systems feature fast-flowing stainless steel tubing and straight-through stainless steel Magnaflow performance mufflers and polished, fully adjustable stainless steel tips. Magnaflow performance catbacks offer great performance and a great sound!