These MagnaFlow performance exhaust systems are as rugged and reliable as the vehicle you drive.� These kits include all necessary installation hardware and some include a polished, stainless steel exhaust tip. Backed by MagnaFlow’s lifetime warranty, you will be able to enjoy a rich, powerful sound–from now on! These cat-back exhaust kits feature OEM-style barbed hangers for easy installation, mandrel bends to ensure no exhaust flow restrictions, and MagnaFlow’s legendary straight-through, wide-open, stainless steel muffler to provide a smooth, deep tone outside the vehicle.�All Stainless Steel, Mandrel-Bent, Cat-Back Exhaust System With Polished Stainless Steel Tips. 2005 Mustang GT 4.6L V8, Axle-Back Only, Dual Exhaust, Muffler Replacement