41244 4.0 Inch Round Body Diesel Resonator 2-1/4 inch-3-1/2 inch Inlet/Outlet - 3.0 Inch - 23 inch - Flo Pro Exhaust - 41777

inchThe Race Car Muffler that provides the best performance, noise reduction, fit and affordability! inch Race Muffler That Fits In Tight Places Reduces Noise To Meet Most Track Requirements Insignificant Loss Of Horsepower From Open Headers Great Fit For Street-Legal High Performance Vehicles Welded construction for strength & durability. Continuous spiral design minimizes turbulence for greater flow which increases HP over other spiral baffle designs. Spiral design is less restrictive than glass packed designs. Dual flow path cancels noise and creates a vacuum effect that accelerates the exhaust through the muffler.