Grimmspeed V2 Bypass Valve BLACK - 04-21 STI, 02-07 WRX, 04-08 FXT - 126032BLK Digital Boost Gauge 8 B18B1 *With K-Swap*

8 B18B1 *With K-Swap*

you can adjust your shift knob to be 2" taller or the same as stock

we use only lined drums

They are NOT intended for use on distributed applications and AEM cannot guarantee or warranty the performance of its IGBT coils when used on distributed ignition vehicles

Grimmspeed V2 Bypass Valve BLACK - 04-21 STI, 02-07 WRX, 04-08 FXT - 126032BLK Digital Boost Gauge 8 B18B1 *With K-Swap*The 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