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**Professional Installation is highly recommended
-4 mounting screws
how do gains of up to 32 HP and 24 ft/lbs of torque sound
For additional performance
skirts and cam bearings are sufficiently lubricated with cooler oil
Moroso Air Oil Separator Kit Small Body Black Subaru WRX 2015-2021 Vehicle Model_NSX **Professional Installation is highly recommendedPart: # 85673 From the factory excess crankcase vapors, residual oil and moisture are vented back into the intake manifold and crankcase ventilation system. This can coat the pistons and everything else with a detonation prone layer of oil. This is no good in a turbocharged vehicle. Moroso has come up with a 2 tank system that allows the factory crankcase ventilation to operate how it was designed. No other system on the market does this. Billet
US$ 6480.00
US$ 32.87
US$ 15160.00