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on valve open the system becomes completely freeflow
The exhaust valves make it possible to improve both torque and horsepower
Color chromatism may occur between the picture shown and the actual product
Autobahn and Race Proven catalytic converter that compares in the World
*Please confirm whether your car has an “OPF system” before placing an order
Kline Innovation Porsche 992 GT3 DECAT manifolds - OPF S4/S5 3.0T B9 on valve open the systemThe Sound The first aspect of the stock exhaust that really holds the sound back, is the 600cpsi catalysts, and OPF filter, removal of these, and the addition of HJS high flow race catalysts, or our long tube header with decat design, opens the sound up significantly. the gases then pass through one of two transits in the silencer section. On valve open the transit is completely free flow for maximum sound, on valve closed, the gasses pass through our
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