Pro Series Outlaw Race Muffler - 3.0"/3.0"To address the increasing number of tracks around the country that are coming under pressure to regulate sound emissions, the Flowmaster Engineering team went to the drawing board with three goals; Maximum power, Maximum decibel reduction and Minimal weight. This exciting new line of race muffler is the result of literally decades of Flowmaster involvement in the racing industry and were truly born at the track! Suited to all forms of motorsports