BIG SUCKER STAGE 1 - XL 91-UP

Big Sucker™ Air Filter Kit

Each hidden breather is o-ringed at the heads and exits at the mouth of the injector/carb to provide efficient engine breathing, eliminating the need for any external hoses or hardware

Radius air inlet provides maximum performance by providing unobstructed airflow

One-piece aluminum backing plate features hidden breather technology

All necessary hardware and instructions are included

Will fit '88-'90 models also; breather system is not applicable for these model years. Accepts Arlen Ness® Stage 1 Custom Covers. Accepts most factory single-bolt air cleaner covers (check for proper fitment, factory cover specific fitment air cleaner kits are available).