Big Sucker Stage-1 - Natural - M8 Each hidden breather is o-ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body through the proprietary breather tubes, Hidden Breather backing plate technology is...

Big Sucker® Upgrade Air Filter The increase in airflow provided by the filter results in a 3hp gain on factory displacement M8 engines, up to 5hp gain for 124" big bore M8 engines, Fits oval Screaming Eagle® Ventilator® air cleaners...

Big Sucker™ Air Filter Kit - Black - Stage I 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,...

Big Sucker™ Air Filter Kit - Black - Stage I 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,...

Big Sucker™ Air Filter Kit - Black - Stage I 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,...

Big Sucker™ Air Filter Kit - Black - Stage I 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,...

Big Sucker™ Air Filter Kit - Black - Stage I 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,...

Big Sucker™ Air Filter Kit - Black - Stage I 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,...

Big Sucker™ Air Filter Kit - Black - Stage I 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,...

Big Sucker™ Air Filter Kit - Black - Stage I 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,...

Big Sucker™ Air Filter Kit - Black - Stage I 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,...

Big Sucker™ Air Filter Kit - Chrome - Stage I 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,...

Big Sucker™ Air Filter Kit - Chrome - Stage I 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,...

Big Sucker™ Air Filter Kit - Chrome - Stage I 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,...

Big Sucker™ Air Filter Kit - Chrome - Stage I 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,...

Big Sucker™ Air Filter Kit - Chrome - Stage I 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,...

Big Sucker™ Air Filter Kit - Chrome - Stage I 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,...

Big Sucker™ Air Filter Kit - Chrome - Stage I 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,...

Big Sucker™ Air Filter Kit - Chrome - Stage I 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,...

Big Sucker™ Air Filter Kit - Natural - Stage I 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,...

Big Sucker™ Air Filter Kit - Natural - Stage I 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,...

Big Sucker™ Air Filter Kit - Natural - Stage I 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,...

Big Sucker™ Air Filter Kit - Natural - Stage I 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,...

Big Sucker™ Air Filter Kit - Natural - Stage I 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,...