Borla Boomers Thumper Muffler (40057) 1527 and reduced nose dive that

and reduced nose dive that can shorten your stopping distance

and valves for race inspired weight reduction and sound

Fabspeed's 997 Carrera Performance Package replaces the restrictive OEM mufflers and factory cats with high-performance mufflers and 200-cell HJS Sportcats or Catbypass pipes for a deeper

compatible with most aftermarket exhaust systems

80mm lift to increase airflow and maximize power output

Borla Boomers Thumper Muffler (40057) 1527 and reduced nose dive thatBorla Bommer Muffler Thumper 2. 25" Inlet Pipe Single 4" Round Tip. Universal part. (40057) BORLA Boomers are full blown, high tech, dyno and race proven mufflers for the street or track. These eye popping, fully polished mufflers utilize BORLA's patented race winning technology for improved exhaust flow. In addition to adding head turning sound, they also add a modest boost in horsepower. They utilize 100% welded construction for strength. High