Stainless Steel Oval Exhaust Muffler - 2.5" Inlet 3" Angle Cut Dual Tip (Burn Dual Tip) Improves Exhaust Velocity Performance. Offers Great Air Flow and Higher Horsepower Gain Instantly Increases 5 - 10 HPs for Most Vehicles Inner Inlet Diameter - 2.5" / Tip Diameter - 3" Overall Dimensions - 23"L x 7.75"W x 5"H Canister Dimensions - 14"L x 7.75"W x 5"H