BOR Cat Back S-TypeExhaust System Kit2007-2008 Porsche 997 911 GT3 3.6L 6 Cyl. Manual Transmission Rear Wheel Drive.Million Mile WarrantyBorla Cat-Back And Axle-Back exhaust systems feature patented straight-through and multi-core...
Borla Cat-Back And Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere.