Twin Cam Big Sucker™ Stage I Air Filter Kit with Standard Filter — Smooth gp_cartridge_kits This level of customization ensures

This level of customization ensures a ride that's perfectly attuned to your preferences and requirements

1-3/4" headpipe steps up to 1-7/8" into the collector to increase flow and improve performance

THIS WILL BE A LIMITED RUN UNLESS THEY SEEM TO GET A REALLY GOOD RESPONSE SO GOOD LUCK GET YOURS BEFORE THEY ARE GONE

2 hard anodized aluminum metal washers

Twin Cam Big Sucker™ Stage I Air Filter Kit with Standard Filter — Smooth gp_cartridge_kits This level of customization ensuresFeatures a one piece aluminum backing plate carb support bracket with patented hidden breather technology and radius air inlet Breather passages exit at the mouth of the carburetor throttle body, creating a virtually closed loop system Kit includes high performance filter, backing plate and steel outer cover All necessary hardware and instructions are included with each kit Fits 99 17 Dyna