DNA MFL-OV-DT-A-3-3 - Stainless Steel Dual 3" Slanted Tip Exhaust Oval Muffler Improves Exhaust Velocity Performance. Offers Great Air Flow and Higher Horsepower Gain Instantly Increases 5 - 10 HPs for Most Vehicles Inner Inlet Diameter - 3" / 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