GrimmSpeed Manual Boost Controller J-series This replaces the upper mount

This replaces the upper mount to pair perfect with the rear engine mount

Vacuum Plug Fitting (Returnless)

handling and suspension design is an evolutionary process with constant changes

The only VR30 heat exchanger system chosen by INFINITI USA to be part of INFINITI’s Motorsports Catalog

the Stage 2 clutch is recommended for vehicles requiring a higher level of torque holding and heat capacity

GrimmSpeed Manual Boost Controller J-series This replaces the upper mountFITS: 2022+ Subaru BRZ 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 (. 25 PSI