Magnaflow Performance Exhaust Systems are made of 100% stainless steel. They are mandrel-bent for consistent pipe diameter throughout the exhaust system for unbeatable performance. Magnaflow uses OE hanger and flange placement for precise fitment. These Exhaust Systems provide for bolt-on installation which makes for a quick and easy install. The mufflers in a Magnaflow system are a straight through design which adds to the performance gains your vehicle will receive by installing a cat-back, turbo-back or cross member-back system today. Magnaflow Exhaust Systems are dyno-tested to ensure that your vehicle will maximize its performance once installed. Most kits will include a polished stainless steel exhaust tip for the perfect finish. Backed with a lifetime warranty.