Fabspeed Porsche 718 GT4 RS Valvetronic X-Pipe Cat-Back Exhaust System (22+)(FS.POR.718GT4RS.VLVCF) 18140 502 CFM at 28" of

502 CFM at 28" of H2O Stock

Constant rumble

Injen is proud to say that the EVO8101 Evolution Air Intake system puts down numbers of up to 13 additional horsepower and 14 Ft

Pad Dimensions: 101 x 54 x 20mm 1971 Austin America Solid

Fabspeed Porsche 718 GT4 RS Valvetronic X-Pipe Cat-Back Exhaust System (22+)(FS.POR.718GT4RS.VLVCF) 18140 502 CFM at 28" ofTransform your GT4 RSs exhaust note. Our X pipe design gives the GT4 RS the same high pitched wail as the GT3 and its totally plug and play with the factory exhaust valve system so you can quiet down the exhaust using the factory PSE button. Our design process started with 3D scanning the entire OEM exhaust system using our CREAFORM 700 Handscan so that we could make a complete Solidworks 3D model of the exhaust. We then designed the exhaust and