This Screaming Eagle Heavy Breather is a high-flow forward facing exposed element Air Cleaner Kit that is virtually guaranteed to turn heads wherever you ride. Available with either a high lustre chrome or black coated intake elbow, this unique Harley Davidson Air Cleaner system will offer improved performance and better air flow compared to stock or even the Screamin' Eagle High Flow air cleaners. The air filter is a washable and rechargable filter that features a bright chrome end cap featuring a laser engraved Screamin' Eagle logo. The intake elbow and backing plate are die cast aluminum and offer a bright and polished finish. The backing plate features integral breathers and a sealed breather bolt plug. Kit includes a water repellant rain sock and all mounting hardware. All EFI-equipped models may require ECM calibration. Recalibration is required for proper installation, and will allow engine to rev to 6200 RPM.