1/2"+ Thick Flanges, 14 Gauge Tubing, TRIPLE Layer Flex Joint. We are DURABILITY. Up until now all of you...
Keep Heat Soak to a Minimum with our Heat Shield! Enhanced Turbo/Downpipe Coverage(Keeps radiant heat out of engine...
Adding an aftermarket Up Pipe is one of the first things you should do to your Subaru. Arguably...
It’s no secret that GrimmSpeed intakes feature performance and aesthetics that lead the pack.  With years of design theories...
Meticulous engineering meets elegant design. For years you've been asking us for intakes, and for years we've silently...
Meticulous engineering meets elegant design. For years you've been asking us for intakes, and for years we've silently...
Real 10whp gains in 30 min with no tuning. Design requirements for this intake were simple: The intake...
Your factory crank pulley is responsible for transferring energy from your crankshaft to your water pump, a/c compressor...
Tired of being teased for your boring engine bay? Replace your stock TMIC with one that doesn't facilitate...
Spruce up your engine bay and make it stand out! At GrimmSpeed we pride ourselves in the design...
** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the...
Meticulous Engineering, Unparalleled Craftsmanship Replace that undersized, plastic stock intercooler with a GrimmSpeed Top Mount Intercooler Kit, featuring...
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