The Flowmaster Outlaw Race Muffler is built for maximum performance and an uncompromising race-ready sound. Designed with a straight-through, short case construction, this muffler delivers the most aggressive tone available from Flowmaster while minimizing backpressure for peak horsepower and torque gains. Constructed from durable, fully MIG-welded 409S stainless steel, its built to withstand extreme track conditions and high-heat applications. The compact, lightweight design makes it ideal for drag racing, circle track, or any high-performance setup where space is limited and sound restrictions apply. If youre looking for the loudest, most aggressive race muffler Flowmaster offers, the Outlaw Race Muffler delivers unmatched flow, power, and attitude.