2004 Harley Davidson Road King Custom Air Cleaners
- Arlen Ness®Big Sucker™ Stage II Scalloped CoverHarley Davidson Road King 2004, Big Sucker™ Stage II Scalloped Cover by Arlen Ness®. Complete high performance air filter kits include a 20% larger air filter than the Stage I kits, for more airflow. Choose between red or stainless...CNC machined from billet aluminumClassic timeless styling$149.95
- Arlen Ness®Big Sucker™ Stage II Smooth Steel CoverHarley Davidson Road King 2004, Big Sucker™ Stage II Smooth Steel Cover by Arlen Ness®. Complete high performance air filter kits include a 20% larger air filter than the Stage I kits, for more airflow. Choose between red or stainless...Formed from high quality steelStamped Arlen Ness logo$69.95
- Arlen Ness®Derby Sucker Air Cleaner KitHarley Davidson Road King 2004, Derby Sucker Air Cleaner Kit by Arlen Ness®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Performance air cleaner kit that accepts any 5-hole derby cover for use as an air cleaner cover, allowing you to choose any style you wishDerby Sucker air cleaners retain all the performance gaining features of the Stage 1 kit but include a 20% larger filter for even more airflow$170.95
- Arlen Ness®Inverted Series 15-Spoke Air Cleaner KitHarley Davidson Road King 2004, Inverted Series 15-Spoke Air Cleaner Kit by Arlen Ness®. The ultimate combination of performance and design for your V-Twin engine. Each handmade air filter is made in the USA and features an inverted...Anodized finishAll mounting hardware and gaskets are included$479.95
- Arlen Ness®Inverted Series Deep Cut Air Cleaner KitHarley Davidson Road King 2004, Inverted Series Deep Cut Air Cleaner Kit by Arlen Ness®. The Deep Cut Inverted Series air cleaner combines the patented Big Sucker™ technology and an inverted filter top that maximizes airflow by...All mounting hardware and gaskets are includedThoroughly developed for unbeatable quality and enduring value$479.95
- Arlen Ness®Inverted Series Drift Air Cleaner KitHarley Davidson Road King 2004, Inverted Series Drift Air Cleaner Kit by Arlen Ness®. The ultimate combination of performance and design for your V-Twin engine. Each handmade air filter is made in the USA and features an inverted...Anodized finishAll mounting hardware and gaskets are included$479.95
- Arlen Ness®Inverted Series Slot Track Air Cleaner KitHarley Davidson Road King 2004, Inverted Series Slot Track Air Cleaner Kit by Arlen Ness®. The Slot Track Inverted Series air cleaner combines the patented Big Sucker™ technology and an inverted filter top that maximizes airflow by...All mounting hardware and gaskets are includedThoroughly developed for unbeatable quality and enduring value$459.95
- Arlen Ness®Monster Sucker 10-Gauge Air Cleaner KitHarley Davidson Road King 2004, Monster Sucker 10-Gauge Air Cleaner Kit by Arlen Ness®. The Monster Big Sucker intake kit features a patented Big Sucker hidden breather technology and more filter surface area than any other kit for...Thoroughly developed for unbeatable quality and enduring valueMade with experience and proven by quality$539.95
- Arlen Ness®Monster Sucker Beveled 90 Degree Air Cleaner KitHarley Davidson Road King 2004, Monster Sucker Beveled 90 Degree Air Cleaner Kit by Arlen Ness®. The Monster Big Sucker intake kit features a patented Big Sucker hidden breather technology and more filter surface area than any other kit...Thoroughly developed for unbeatable quality and enduring valueMade with experience and proven by quality$539.95
- Arlen Ness®Monster Sucker Deep Cut Air Cleaner CoverUniversal Monster Sucker Deep Cut Air Cleaner Cover by Arlen Ness®. Forged billet covers can be added at any time to any Ness standard Monster Sucker kits that were originally purchased without covers. Fits all Arlen Ness 90° kits.Thoroughly developed for unbeatable quality and enduring valueMade with experience and proven by quality$279.95
- Arlen Ness®Velocity Air Cleaner KitHarley Davidson Road King 2004, Velocity Air Cleaner Kit by Arlen Ness®. Patented Big Sucker™ "hidden breather" technology and a forward facing 65° intake design that produces the highest air flow performance numbers (CFM) Arlen Ness...Integrated radius air inlet for performance gaining unobstructed airflowMilwaukee-Eight™ engine applications include a throttle servo cover$349.95
- Burly Brand®Hex Air Cleaner KitHarley Davidson Road King 2004, Hex Air Cleaner Kit by Burly Brand®. The full kit comes with everything included to replace your stock air cleaner. They come standard with the "Slotted" faceplate design and a K&N® air filter installed...Thin profile for nice knee clearanceSmooth edges for no pant snags$203.95 - $249.95
- Crusher®Street Sleeper III™ Air CleanerHarley Davidson Road King 2004, Street Sleeper III™ Air Cleaner by Crusher®. Think of the Crusher Street Sleeper® III Air Cleaner as a heavy-breathing wolf in sheep's clothing. This unit includes a high-flow K&N® washable and...Includes high-flow washable and reusable K&N filter elementCompatible with stock '99-up oval air cleaner covers, as well as '14-up rounded Touring covers$161.09
- K&N®Street Metal Air Intake System with Red FilterHarley Davidson Road King 2004, Street Metal Air Intake System with Red Filter by K&N®. K&N Street Metal Air Intake Systems for Harley Davidson® motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow...Designed to provide unrivaled value and maximum reliabilityPerformance tested before going into production$299.99
- K&N®Street Metal Air Intake System with Red FilterHarley Davidson Road King 2004, Street Metal Air Intake System with Red Filter by K&N®. K&N Street Metal Air Intake Systems for Harley Davidson® motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow...Designed to provide unrivaled value and maximum reliabilityPerformance tested before going into production$299.99
- K&N®Street Metal Air Intake System with Red FilterHarley Davidson Road King 2004, Street Metal Air Intake System with Red Filter by K&N®. K&N Street Metal Air Intake Systems for Harley Davidson® motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow...Designed to provide unrivaled value and maximum reliabilityPerformance tested before going into production$299.99
- K&N®Street Metal Air Intake System with Red FilterHarley Davidson Road King 2004, Street Metal Air Intake System with Red Filter by K&N®. K&N Street Metal Air Intake Systems for Harley Davidson® motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow...Designed to provide unrivaled value and maximum reliabilityPerformance tested before going into production$299.99
- Vance & Hines®Crown Upsweep VO2 SkullcapUniversal Crown Upsweep VO2 Skullcap by Vance & Hines®. Add a touch of class to the VO2 Naked Air Intake with a Vance & Hines VO2 Skullcap Crown. Styled with subtle creasing and mesh, the VO2 Crown consists of a single steel stamping...Single bolt mountFits all VO2 Naked applications$169.99 - $182.47
- Vance & Hines®Blade VO2 Air IntakeUniversal Blade VO2 Air Intake by Vance & Hines®. Shift into high gear with the VO2 Blade from Vance & Hines. The sharp clean lines of the Blade will give your v-twin the edge in both show and go, utilizing the washable, reusable...CNC Machined Billet CoverARP hardware$419.99 - $459.99
- Vance & Hines®Eliminator VO2 Air IntakeHarley Davidson Road King 2004, Eliminator VO2 Air Intake by Vance & Hines®. Make your engine function at its full efficiency by choosing from our comprehensive selection of top-grade performance air intake parts. Crafted by the...Designed for epic performance and ultimate efficiencyProven to deliver long-lasting service life$249.99 - $413.99
- Vance & Hines®Naked VO2 Air IntakeUniversal Naked VO2 Air Intake by Vance & Hines®. For those wanting to keep the stock look, but not necessarily the stock performance, Vance & Hines offers its VO2 Naked Air Intake as a high flow intake kit for use with your stock cover...CNC Machined Billet CoverARP hardware$159.99
- Vance & Hines®Stingray VO2 Black SkullcapUniversal Stingray VO2 Black Skullcap by Vance & Hines®. The Vance & Hines VO2 Skullcaps consist of a single steel stamping that bolts directly over the air filter element on your VO2 Naked Air Intake.Single bolt mountFits all VO2 Naked applications$79.99
- Vance & Hines®Stringray VO2 Air IntakeHarley Davidson Road King 2004, Stringray VO2 Air Intake by Vance & Hines®. Make your engine function at its full efficiency by choosing from our comprehensive selection of top-grade performance air intake parts. Crafted by the...Designed for epic performance and ultimate efficiencyProven to deliver long-lasting service life$249.99 - $404.99
- Vance & Hines®VO2 Cage Fighter Air IntakeHarley Davidson FLHR Road King 2004, VO2 Cage Fighter Air Intake by Vance & Hines®. Sporting a sleek and minimalistic design, the VO2 Cage Fighter is designed for maximum air flow to the filter element while providing a custom look.Includes Washable High Flow Filter ElementIncludes Large Inlet Backing Plate and Billet Venturi$279.99
- Vance & Hines®VO2 Chrome Air IntakeHarley Davidson FLHR Road King 2004, VO2 Chrome Air Intake by Vance & Hines®. Make your engine function at its full efficiency by choosing from our comprehensive selection of top-grade performance air intake parts. Crafted by the...Designed for epic performance and ultimate efficiencyProven to deliver long-lasting service life$279.99