Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepower at low-end (1800 to 3000 RPM). Horsepower gains average 10-15 and 15-20lb-ft of increase torque. Hassle free, bolt-on installation with professional looking results. No welding required. Backed by a Lifetime Limited Warranty.Warranty Information:Limited Lifetime WarrantyExhaust Type: Cat-BackExit Position: Behind Rear TireInlet Inside Diameter: 3.000 - 3.500 in.Material: T304 Stainless SteelTail Pipe Diameter: 3.000 - 3.500 in.Tip Diameter: 5.000 in.Tubing Diameter: 3.000 - 3.500 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; vehicle parts and accessories; both new and as replacements. When being serviced; these vehicles generate used oil; waste fluids; grease; fumes and particulates; all known to the State of California to cause cancer; birth defects; and reproductive harm.