The GrimmSpeed Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your factory computer because it is designed to draw the same ammount of power as the factory BCS but flows better and reacts faster. It plugs in and requires no splicing or soldering of resistors. With the included...
Grimmspeed Boost Controller Solenoids - Details
Grimmspeed Subaru Exhaust Gaskets
Grimmspeed knows that many of you replace all of your exhaust gasket at the same time while installing aftermarket exhaust parts on your car. Because of this, Grimmspeed decided to offer their premium multi-layer steel w/ 304SS fire-ringed gaskets in a discounted package so you can save even more!
At GrimmSpeed, they have worked with endless am...
Grimmspeed Subaru Exhaust Gaskets - Details
Grimmspeed Oil Catch Tanks
An Air/Oil Separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake system.
The GrimmSpeed Subaru Air/Oil Separator has a unique patent pending design that allows you to maintain your PCV Valve while separating the oil out of the crankcase and head ventilation air! Our AOS will all...
Grimmspeed Oil Catch Tanks - Details
The OEM Subaru crank pulley has been a cause for concern ever since its original design. It is extremely heavy, susceptible to catastrophic failure, and quite unsightly. Continuing to use this on our cars just wouldn't do. Eliminating rotational mass while maintaining a safe presence can increase reliability and bring faster Rev's! For ...
Grimmspeed Pulleys - Details
Grimmspeed Thermostats
Keep the temp's down and save your engine and turbo!
First rule of thumb, excess heat kills engines and power. GrimmSpeed is on your side with our new Subaru 160 Degree Thermostat. Their thermostat will make an immediate and direct impact on your engine running temps. The 160 Degree T-Stat will bring your engine coolant temps down 20-30 Degrees....
Grimmspeed Thermostats - Details
Grimmspeed Uppipes
Due to emission regulations, Subaru has put restrictive catalytic converters in the exhaust system. These restrictive catalytic converters do not allow for optimal exhaust flow to the turbo, thus top performance of the exhaust system cannot be achieved. Also, removal of the catalytic converter helps prevent the possibility of damaging the turbo if ...
Grimmspeed Uppipes - Details
Grimmspeed performance parts & accessories at HorsepowerFreaks
grimmspeed performance parts & accessories at horsepowerfreaks. Install and installation help available for parts and accessories for these BMW years.
