GrimmSpeed Phenolic Thermal Spacer 8mm Subaru Impreza 1993-1999 1.8L/2.2L Evo *Pictures used for marketing pictures

*Pictures used for marketing pictures only

NOTE: You will reuse both of your OEM heat shield brackets to install this unit

the result is 1) reduced fuel octane 2) higher chance of engine knock(detonation) 3) worse emissions 4) higher oil consumption

Cut from Steel and hand welded these pieces were born tough

GrimmSpeed Phenolic Thermal Spacer 8mm Subaru Impreza 1993-1999 1.8L/2.2L Evo *Pictures used for marketing picturesDo 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. GrimmSpeed has presented you the answer to this age old problem, raising the intake manifold off the engine with their 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