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Twin Cam Big Sucker™ Stage I Air Filter Kit with Standard Filter — Smooth
- Features 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
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