ARLEN NESS - BIG SUCKER STAGE-1 - CHROME - M8 drag_part_08030432 2005 Big Dog Mastiff

2005 Big Dog Mastiff

2005-2006 Harley-Davidson FLSTN Softail Deluxe (Street)

Testing shows increased HP and torque to the rear wheel

External Breather Kit for Feuling backing plate

the spring tension can be adjusted to achieve the desired pop off psi

ARLEN NESS - BIG SUCKER STAGE-1 - CHROME - M8 drag_part_08030432 2005 Big Dog MastiffBig Sucker Stage 1 Chrome M8 Highlights 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 a step up from original system Aluminum filter top plate has integrated filter mounting studs and directional air venturi for increased durability and performance Filter offers over 200% more surface area