this set optimizes exhaust flow for maximum horsepower gains
+ All Soul Performance Products exhaust parts are backed by a renowned Lifetime Warranty for both street and track use
working with the cars stock electronic actuated valve system
and will not fatigue and crack over time like titanium systems
Experience enhanced performance and a powerful roar that will turn heads
Kline Innovation Porsche 992 GT3 valvetronic system - SS Tips 911 Carrera S/4S 997 this set optimizes exhaust flowThe 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