Air Filters and Intakes

Motorcycle Air Filters & High-Flow Intake Systems at HardRacing

Your motorcycle's engine is an air pump — and the more efficiently it breathes, the more power it makes. HardRacing stocks a comprehensive selection of high-performance air filters and intake systems from leading brands including K&N, Twin Air, DNA Filters, and Uni Filter. A quality aftermarket air filter is one of the simplest, most cost-effective performance upgrades for any motorcycle, delivering more airflow, better throttle response, and improved overall engine efficiency.

High-flow air filters replace the stock paper element with a washable, reusable cotton gauze or foam element that flows significantly more air with the same or better filtration efficiency. On carbureted bikes, a freer-flowing filter combined with a jet kit unleashes the full potential of the carburetor. On fuel-injected motorcycles, an improved filter pairs perfectly with a Power Commander or ECU tune to optimize fuel delivery for the increased airflow.

Filter Kits, Ram Air Systems & Racing Intakes

For more aggressive applications, we stock velocity stack kits, airbox removal kits, and race-spec open filter setups that maximize airflow for competition use. Pair any of these intake upgrades with a compatible exhaust system and fuel management solution for a full Stage 2 performance package. HardRacing carries filters for sport bikes, mini bikes, off-road motorcycles, and more — filter by your bike model to find the right upgrade fast.