You purchased your muscle car for a reason. Now, Gibson gives you a powerful Exhaust System that screams performance. You can expect a deep powerful exhaust rumble tone with improved acceleration and increased horsepower gains when you put the pedal to the metal! Gibson Muffler actually tunes your exhaust by using resonance chambers, directional louvered tuning ports and angular induction to draw exhaust gases into the muffler and expel it at a higher velocity that delivers optimum power. Hassle free, bolt-on installation with professional looking results. Backed by a Lifetime Limited Warranty.Warranty Information:Limited Lifetime WarrantyExhaust Type: Axle-BackExit Position: Straight Out BackInlet Inside Diameter: 2.500 in.Material: T304 Stainless SteelTip Diameter: 4.500 in.Tubing Diameter: 2.500 in.WARNING CA Proposition 65: YesWARNING CA Proposition 65 Message: WARNING: Motor vehicles contain fuel; oils and fluids; battery posts; terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer; birth defects and other reproductive harm. These chemicals are found in vehicles; vehicles parts and accessories; both new and as replacements. When being serviced; these vehicles generate used oil; waste fluids; fumes and particulates; all known to the State of California to cause cancer; birth defects; and reproductive harm.