DNA MFL-4X9-25-20 - Polished Stainless Steel 2.5" Single Inlet 2" Dual Outlet Muffler Made of High Quality Stainless Steel Material Improves Exhaust Velocity Performance. Offers Great Air Flow and Higher Horsepower Gain Performance Oval Style Racing Sepc.; Aggressive Deep Discharge Sound Perforated Core and Reversible Canister Dimension: 14" (L) X 9" (W) X 4" (H) / Super Lightweight 20" Overall Length / 2.5" OD Single Inlet / Dual 2" OD Outlet