POLINI RACING STRAIGHT AIR FILTER (W/ COVER);- 45mm

Unlock maximum unrestricted airflow and razor-sharp throttle response with the race-bred Polini 45mm Performance Air Filter Assembly. Engineered in Italy, this high-porosity expanded foam element flows significantly more air volume than restrictive factory airboxes, allowing your engine to extract maximum peak horsepower. Equipped with a removable, impact-resistant plastic splash shroud, this kit blocks out harmful tire-flung road spray, dust, and moisture—ensuring consistent, dry airflow whether you are battling track conditions or logging daily urban commutes.

Advanced Induction Features

• High-Flow Foam Element: Maximum filtration with minimal air resistance for improved throttle response and top-end power.
• Removable Splash Cover: Black impact-resistant plastic shield protects against water and road grime — ideal for daily street use. Keep it on in wet conditions to prevent waterlogging.
• 45mm Universal Flange: Fits performance carburetors, including the Polini CP, Dell'Orto PHBG, OKO, and similar 45mm intake bells.
• Fully Washable & Reusable: Clean the foam element regularly for a lifetime of performance.
• Italian Engineering: Authentic Polini craftsmanship, proven on the racetrack and refined for street use.

This filter features a 45mm (~1.75") internal mounting diameter. It is designed to clamp directly onto performance carburetors utilizing a 45mm outer diameter (OD) intake bell.