Flowmaster 15430 Outlaw Series Race Muffler - 3.00 Center IN / 3.00 Center OUT - Aggressive Sound Durable fully welded 16ga aluminized steel - round case allows install in limited space apps Designed for maximum horsepower and torque Minimal decibel reduction - race application where muffler rules are in effect No internal packing to blow out Comes with a three year limited warranty