Grimmspeed Manual Boost Controller RED - Universal - 070002R 3/8" Tubing We formulate VP M5 fuel

We formulate VP M5 fuel to be the best performing methanol on the market

and over months of testing designs we proved them

Once both parts are installed

Each rail is also supplied with a stainless steel 1/8 NPT plug in case a top-mounted fuel pressure gauge is used

Initial stages of the short shifter design involved culling through forums and talking with 8th Gen Civic owners

Grimmspeed Manual Boost Controller RED - Universal - 070002R 3/8" Tubing We formulate VP M5 fuelThe Next Level of Boost Control. Welcome to the most refined manual boost controller available on the market today. During development, we worked hand in hand with tuners across the country to develop this device and ensure that it solves legitimate problems that they have with other existing boost controllers. The GrimmSpeed MBC allows you to raise OEM boost levels in a quick and efficient manner through superior boost range and ultra fine resolution