The aFe Apollo GT Series Exhaust Systems are constructed from 409 stainless steel. The 409 stainless is corrosion and rust resistant. The stainless steel exhaust tubing is mandrel bent and engineered for optimal flow. The aFe Apollo GT Series Exhaust Systems have a deep tone from a straight through muffler that is designed to absorb high pitch tones. The 409 stainless steel muffler is a high performance free flowing monster. The aFe Apollo GT Series Exhaust Systems utilize factory style exhaust hangers for a hassle-free easy installation. All installations require no cutting or modifications. The bayonet style hangers are welded onto the steel tubing meticulously and will keep your exhaust firmly in place. | aFe Apollo GT Series Exhaust System 49-46079