OVERTAKE Phenolic Spacers 8mm Thick - 2015-2021 Subaru STI Overlays Durable Synthetic Media: High quality

Durable Synthetic Media: High quality synthetic nanofiber-based material designed for long service life

20mm Thickness: Secure

Bolt Hole Center-to-Center: Door side 60mm / Body side 40mm

4-Way Map Switching: Swap between different maps on the fly

OVERTAKE Phenolic Spacers 8mm Thick - 2015-2021 Subaru STI Overlays Durable Synthetic Media: High qualityIs your Subaru engine running at its full potential? One of the biggest obstacles to maximizing your engine's performance is heat soak when heat from your engine transfers into your intake manifold, reducing air density and limiting power. The cooler the intake air, the more horsepower your engine can achieve. That's where the Overtake Phenolic Intake Manifold Thermal Spacer comes in, providing the perfect solution to this long standing issue by