Porsche Muffler Bypass Pipes - 911 | 2014-2016 FS-POR-991GT3-SMBV 141-857-703--BLK Comfortable quick adjustment thanks to

Comfortable quick adjustment thanks to tip/step lever function

preventing it from skipping teeth and causing engine damage

Reliable Seal: Ensures a proper seal between the cylinder head and engine block

and Turbos

lightly sand with fine sandpaper or steel wool before applying the finishing coat

Porsche Muffler Bypass Pipes - 911 | 2014-2016 FS-POR-991GT3-SMBV 141-857-703--BLK Comfortable quick adjustment thanks toPorsche Muffler Bypass Pipes For Porsche 991 GT3 (2014 2016), 991 GT3 RS (2016) Models. Introducing the Muffler Bypass Pipes, an optimized design engineered to replace the heavy and restrictive factory side mufflers on your Porsche 991 GT3 or GT3 RS (2014 2016). This upgrade delivers improved exhaust flow, a significant increase in sound, and substantial weight savings. Fabspeed's Side Muffler Bypass Pipes provide the ultimate track focused exhaust