GrimmSpeed

Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ WRX. Of course perfor...

Finally a GD intake with the looks to match its performance. It’s no secret that GrimmSpeed intakes feature performance and aesthetics that lead th...

Maximize Your 2022+ WRX's Factory Airbox Without Tuning! The GrimmSpeed Post MAF Pipe Kit is an excellent upgrade for your FA24-powered WRX. This k...

Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ WRX. Of course perfor...

You've been asking for this bad sally for a while and it's finally here. The intake the for the 15+ STI can be thought of as a hybrid of the tube a...