Higher flow equals more power, and that's exactly what the Mishimoto 2015 WRX TGV delete kit does. TGVs, or tumble generator valves, are butterfly valves that kick-in during cold startup to improve...
Higher flow equals more power, and that's exactly what the Mishimoto 2015 WRX TGV delete kit does. TGVs, or tumble generator valves, are butterfly valves that kick-in during cold startup to improve...