5 Stars
Easy to install. Decided to put gaskets on top and bottom of spacers. The manifold is definitely cooler to the touch.
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Part #: 018001
In case you weren't aware, the cooler your intake air is the more HP your car will achieve. One way to reduce intake air temperatures is to raise the intake manifold off the engine with GrimmSpeed's Phenolic Intake-Manifold-to-Engine Thermal Spacer. Phenolic spacers have been used for years by many other specialized automotive companies, but GrimmSpeed is one of the first to offer this technology to the Subaru world.
Benefits/Notes:
Applications: 2002-2018 EJ20 / EJ25 models
WRX / STI / Legacy GT / Forester XT 2002-2021
Easy to install. Decided to put gaskets on top and bottom of spacers. The manifold is definitely cooler to the touch.
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