Riva Yamaha Engine Breather Upgrade Kit 08-11

Easy to install Engine Breather Upgrade Kits eliminate power-robbing crankcase emissions from your engine's air intake. Increases horsepower by removing the engine's requirement to burn relatively non-combustible oil. In forced induction applications intercooler efficiency is improved by preventing the oil sludge coating that lowers thermal efficiency. Kits include K&N filter along with all necessary hardware & detailed installation instructions.