Porsche 991 /991 GT3/GT3 RS 4.0 Center Muffler Bypass exhaust system Made entirely in Phoenix

Made entirely in Phoenix

We decided that having OEM style Pierberg Exhaust bypass valves incorporated into the system was a necessity to achieve our goals

The difference is this is a true 4

maximizing the power increase and helping the turbos perform optimally

When hear the sound of the 9K RPM Fly past you and your hair stands on end

Porsche 991 /991 GT3/GT3 RS 4.0 Center Muffler Bypass exhaust system Made entirely in PhoenixJust like the 4. 0 Center Muffler Bypass, this is a true replacement part that adds more growl to the flat 6 motor that we love so much. The difference is this is a true 4. 00 exhaust tip. If you are looking for a more race car look with a deeper exhaust note this is for YOU! When hear the sound of the 9K RPM Fly past you and your hair stands on end, the 4. 0 center muffler bypass is for you! Features. Deeper tone than factory Produced by hand by true