Flowmaster 3.5 IN(O)/OUT(O) 50 Series Heavy Duty SS Muffler

Flowmaster's stainless steel 50 Series HD muffler is designed for today's heavy duty gas and diesel trucks. This muffler delivers improved performance, throttle response and mileage. The 50 HD features a deep, moderate tone with minimal interior resonance and is ideal for trucks with modified engines. This muffler is constructed of 409S Stainless Steel with a 3.5" inlet and outlet, and is covered by Flowmaster's Lifetime Limited Warranty.