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Why no harmonic balancers like the factory downpipes
Fabspeed's Long Tube Competition Race Headers with integral Side Muffler Bypass Pipes are designed to maximize the horsepower and torque bolt-on potential of the Porsche 991
lowering overall decibel levels
We use premium Helical valves that are made in the United Kingdom and are the most reliable valves available on the market
911 Carrera DME Upgrade Chip (Optional Upgrade)
Fabspeed Porsche 991.2 GT3 / GT3 RS Performance Package (2017+) Select:Select Application=RACE - Includes Catbypass Why no harmonic balancers likeFabspeed unique high performance exhaust solution for the Porsche 991. 2 GT3 GT3 RS; fantastically daily driveable sound and power from Fabspeed's Sport Performance Headers, Valved Side Muffler Bypass Pipes, Deluxe Dual Style Tips and Fabspeed ECU Tune Upgrade. Once we receive your ECU, our tuner will first unlock the ECU so the its can be tuned with the new XperTune map and made compatible to be tuned with the optional handheld tuner. We will then
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