Arlen Ness Big Sucker Stage I Air Filter Kit RETIRED JUL 2026 The 4-inch muffler body has

The 4-inch muffler body has proprietary technology to prevent bluing making this slip-on virtually blue proof

Stain and mildew resistant fibers for easy cleaning

Dual stage reed design ensures excellent throttle response at all RPMs

Stainless steel base

It's designed to keep you safe and comfortable no matter what's flying at your face

Arlen Ness Big Sucker Stage I Air Filter Kit RETIRED JUL 2026 The 4-inch muffler body hasFEATURES Features a one piece aluminum backing plate carb support bracket Eliminates the need for banjo fittings, hoses, and clamps Breather passages exit at the mouth of the carburetor throttle body, creating a virtually closed loop system Pre oiled filter element available in red or stainless jacketed styles All necessary hardware and instructions included