K & N Air Filter - CBR500R HA-5013 Replacement Clutch Spring Set Classic 4" styling NH Series

Classic 4" styling NH Series internals Machined aluminum end caps Aggressive sound Sold in pairs Made in the U

Note: You will need need a replacement timing cover gasket and cam chain tensioner gasket from your local Yamaha dealer

The exhaust valve race uses the factory exup hardware alongside the Graves EVR valve and custom mapping to improve low to mid-range rpm and small throttle opening torque and drivability to create and better powerband and ride

w/ Insert (sold seperately) DB at Idle 84 / DB at 5000rpm 103 (without insert): 87 @ Idle / 104

00 MM thick wall high heat grade Titanium tubing used on our Superbike exhaust systems

K & N Air Filter - CBR500R HA-5013 Replacement Clutch Spring Set Classic 4" styling NH SeriesFits directly into OEM airbox with application specific Sealing Bead to ensure a precise fit Fuel management modifications are not required for increased performance Pleated media provides a large filtration area offering long service intervals Designed to provide increased performance Made in the U. S. A.