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Calculating for a 15% transmission loss
Custom designs are available
and reduced aerodynamic drag creates a formula for high performance drag racing wheel
The cast aluminum construction can also withstand higher pressures and heat levels
Fabspeed Porsche 991 GT3 / GT3 RS Side Muffler Bypass Pipes (2014-2016) - FS.POR.991GT3.SMBV Select Valve Configuration:Valved Calculating for a 15% transmissionOptimized design that replaces the heavy and restrictive factory side mufflers for improved exhaust flow, increased sound and weight savings. Utilizing premium Helical valves along with the addition of O2 bungs, Fabspeed's Side Muffler Bypass Pipes provide the ultimate track solution for the 991 GT3 GT3 RS. When accompanied with our new Long Tube Competition Headers, our Side Muffler Bypass Pipes allow the maximum amount of exhaust flow possible from
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