Arlen Ness Stage 1 " Big Sucker" Air Filter Kit '99-'01 Fuel Injected Models Only #18-503

The best and simplest performance air cleaner kit for your Harley-Davidson Touring bike, Period. All kits include a "Big Sucker" aluminum backing plate, Team Ness High Flow air filters, chrome banjo bolts for Twim Cam 88 and 1993-up Ev2 Big Twin, simple instructions and all necessary hardware.

• Gain up to 12% more Horsepower by simply installing a Big Sucker™ on your bike!

• These kits are designed to be used with the stock air filter cover (except Sportster™ & 08-10 FXD)

• Sportster™ models require the purchase of a custom outer air cleaner

• These kits can be used as an exposed filter design when using one of our Stage 1 billet covers

NOTE: Image may or may not show backing plate with correct finish

NOTE: When tested on (08 FLHX) the Big-Sucker Stage 1 made a 19% horsepower increase

FITS: Standard Filter/Chrome Backing, 1999-2001 Fuel Injected FI