K & N Twin Cam RK Series Street Metal Oversize Air Cleaner for Dyna

High Flow Intake System. Re -use Stock Air Cleaner Cover for Stock Looks. Includes to Special Backplate, Internal Velocity Stack, Built-in Breathers, Oversized Air Filter Element and Hardware. A K&N DYNO TEST OF THIS RK-SERIES AIR CLEANER ASSEMBLY ON A 2008 STREET BOB SHOWED AN INCREASE OF 6.54 HP@5100 RPM, A 2014 103 "ULTRA PRODUCED AN ADDITIONAL 8.33 HP@4670RPM. Power element.

Fits:> 08-17 Dyna With 29184-08 Stock Style Teardrop Air Cleaner Cover