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Arlen Ness, the "King of Choppers," knows a thing or two about performance. The Big Sucker is the best-selling and most powerful air cleaner kit on the market - period. Simply, the Big Sucker is designed to give your engine maximum airflow for maximum performance. Testing shows that by simply installing a Big Sucker kit, horsepower gains of up to 21% are attainable.
Big Sucker kits feature patented, hidden breather backing plate technology - this means the breathers are incorporated into the air cleaner housing itself. Gone are unsightly external hoses and hardware, giving your bike a super-clean look. Each hidden breather has a sealing O-ring at the heads and exits at the carburetor or throttle body inlet to provide efficient internal engine pressure relief.
The Standard air filter elements are made one at a time using the finest materials available. Standard filters are all pre-oiled, and feature four layers of surgical-grade cotton to promote airflow and filter air effectively. The filters are hand-poured one at a time in a urethane body, unlike many other filters that are spun, which can leave a residue on the filtration media.
The Stainless Jacketed Filter differs from the Standard Filter in two areas: The mesh supporting the gauze is made of a rust-resistant stainless steel as opposed to standard carbon steel, and the synthetic filtration gauze is in black or dark grey, rather than the pink/red hue of the Standard Filter.
All kits include a Big Sucker backing plate, high-flow filter, chrome banjo bolts, gasket, hardware, and simple instructions.
The Stage 2 kit differs from the Stage 1 by including a 20% larger air filter element.
Note: Air cleaner images are for reference only. All filters on this page will include standard red filters
|Product Style||RevZilla Item #||Manufacturer Product #||Availability|
|Standard Air Filter / Smooth Chrome Steel Cover||878145||18-782||In Stock: Ships within 24 hours|
|Standard Air Filter / Scalloped Billet Aluminum Cover||878105||18-793||In Stock: Ships within 24 hours|
|Standard Air Filter / Smooth Billet Aluminum Cover||878196||18-797||Out of Stock|
|Standard Air Filter / Grooved Billet Aluminum Cover||878199||18-798||Out of Stock|
|Standard Air Filter / Retro Billet Aluminum Cover||878263||18843/18-843||In Stock: Ships within 24 hours|
|Standard Air Filter / Scalloped Black Aluminum Cover||878062||18-848||In Stock: Ships within 24 hours|
|Stainless Jacketed Air Filter / Smooth Billet Aluminum Cover||878064||18-857||Out of Stock|
|Stainless Jacketed Air Filter / Scalloped Billet Aluminum Cover||878073||18-870||Out of Stock|
|Stainless Jacketed Air Filter / Scalloped Black Aluminum Cover||878076||18-875||Out of Stock|
|Stainless Jacketed Air Filter / Grooved Billet Aluminum Cover||878080||18-880||Out of Stock|
|Stainless Jacketed Air Filter / Retro Billet Aluminum Cover||878267||18-885||Out of Stock|
|Stainless Jacketed Air Filter / Smooth Chrome Steel Cover||877944||18353/18-353||Out of Stock|
|Stainless Jacketed Air Filter / Smooth Black Steel Cover||877945||18358/18-358||Out of Stock|
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Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.
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Have a functionality, fit, or otherwise product-specific question about the Arlen Ness Smooth Stage 2 Big Sucker Air Cleaner Kit For Harley Touring With EFI 1999-2001? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.