Phenolic spacers have been used for years by many other specialized automotive companies, but this is very new technology to the Subaru world.

Do you know what your intake manifold sits on?...a superheated boxer engine. If you don't know already, the cooler your intake air is the more HP your car will achieve. We present you the answer to this age old problem, raising the intake manifold off the engine with GrimmSpeed's™ new real Phenolic Intake Manifold/TGV to Engine Thermal Spacer.

Phenolic spacers have been used for years by many other specialized automotive companies, but this is very new technology to the Subaru world.

Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has just what you need. This cover mounts securely in place of your plastic factory cover and its asymmetric design is intended to compliment the GrimmSpeed Tool Tray Radiator Shroud perfectly. Available in brushed stainless steel, as well as three standard texture DuPont powdercoat finishes, there's an option for everybody.

Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has just what you need. This cover mounts securely in place of your plastic factory cover and its asymmetric design is intended to compliment the GrimmSpeed Tool Tray Radiator Shroud perfectly. Available in brushed stainless steel, as well as three standard texture DuPont powdercoat finishes, there's an option for everybody.