Grimmspeed V2 Bypass Valve RED - 04-21 STI, 02-07 WRX, 04-08 FXT - 126032RED Hard Line Adapters T019 pressure plate features an

T019 pressure plate features an exclusive diaphragm design to increase clamp load

The black kit is our most popular kit for its stealthy look but they both get the job done perfect

a lower hose and four stainless steel high-torque clamps from BREEZE

Primary Resistance: 0

we were able to start identifying key areas of improvement: correctly sized and consistent exhaust runners that are more equal length

Grimmspeed V2 Bypass Valve RED - 04-21 STI, 02-07 WRX, 04-08 FXT - 126032RED Hard Line Adapters T019 pressure plate features anThe days of sacrificing performance to leaky BPVs are over, because the long awaited GrimmSpeed Bypass Valves are here! The long awaited return of the GrimmSpeed Bypass Valves is here! Our valves have been a highly sought after product, but due to the intensive assembly process, it has been hard to keep them on the shelves, which in turn causes frustration among our customers. To address this issue, our team has worked diligently to redesign the BPV