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intake air temperature directly affects air density and combustion efficiency -- MST's sealed housing and dedicated duct ensure the filter is always drawing from the coldest air source available
Cusco RS Rear LSD 1
6-1/8" Outside diameter
This oil cooler has been designed with an increased fluid capacity which promotes greater cooling efficiency
----This all-aluminum radiator replaces the stock plastic end tank unit with a core that is 51 percent larger
Tomioka Racing Lightweight Water Pump Pulley - 2015-2021 Subaru WRX Subaru-WRX-2020 intake air temperature directly affectsTomioka Racing Lightweight Water Pump Pulley 2015 2021 Subaru WRX 56% Lighter Than Factory for Reduced Engine Load The Tomioka Racing Lightweight Water Pump Pulley for the 2015 2021 Subaru WRX removes approximately 56% of the factory pulley's weight from 320 grams stock down to a significantly lighter aluminum unit. Reducing the rotational mass on engine accessories lowers the parasitic load on the engine, allowing it to accelerate more freely and