…cover mounts behind the air cleaner for a clean simple chrome look. Available for most air cleaners including all Kryakynair cleaner styles.Note: Fits with All Kryakyn Air Cleaners except Hyperchargers Twin VelocityPlus Ness Big Sucker I II Screamin Eagle Stage 1 Heavy Breather on 01-12 EFI Softail Models… (read more)

…new design features that make this V-Twin looking air cleaner now flow even better.New Features for Increased Air Flow... Additional slots on both sides and enlarged openings at the bottom to allow more air to enter the sides of the filter. End Breather Technology - We added a large round foam filter element… (read more)

…pleated sides to maximize airflowForged billet aluminum backing plate features proven radius air inlet hidden breather hardware and our industry leading Big Sucker patented technologyForged billet aluminum air filter housings feature built in velocity stacksAll mounting hardware gaskets and necessary… (read more)

…Mach 2 Co-A Air Cleaner AssemblyChrome1 Hardware Kit Containing:5 14-20 x 34 Socket Head Cap Screws3 14-20 x 1 Socket Head Cap Screws3 14-20 x 1-14 Socket Head Cap ScrewsNOT USED1 Hardware Kit Containing:1 Air Lock Ring2 18 Straight Fittings1 Dual Velocity Ring1 Filter Element2 Breather Bolts4 Spacers… (read more)

…our patented Big Sucker breather technology. Brackets made to work on stock EVO Twin Cam Engines SS 107 and under engines head breathing and SS 111 - 124 engines case breathing. Four styles to choose from: 2 Smooth Stack 2 Battistini Stack 90 Degree Stack and 90 Degree Air Filter. All chrome plated… (read more)

…air to even the highest output street motors. The frontal opening is huge and as with all Hyperchargers the vacuum operated butterflies allow almost unrestricted airflow to the filter under high-load riding situations.Pro-R Hyperchargers come complete with mounting hardware and crankcase breather kits… (read more)

…Skull Air Cleaner kits are a vile and sinister addition to any bad-ass ride. The outer cover is the same high-strength extremely rigid composite cover we sell for SS carbs. These kits also include a backing plate and high-flow filter element as well as any necessary brackets crankcase breathers or hardware… (read more)

Chrome-plated Features a bolt for attachingto flat surfaces (read more)

…our patented Big Sucker breather technology. Brackets made to work on stock EVO Twin Cam Engines SS 107 and under engines head breathing and SS 111 - 124 engines case breathing. Four styles to choose from: 2 Smooth Stack 2 Battistini Stack 90 Degree Stack and 90 Degree Air Filter. All chrome plated… (read more)

…Skull Air Cleaner Kits are a vile and sinister addition to any bad-ass ride. The outer cover is the same high-strength extremely rigid composite cover we sell for SS carbs. These kits also include a backing plate and high-flow KN filter element as well as any necessary brackets crankcase breathers or hardware… (read more)

…screenDesign matched to RSD wheelsBuilt-in crank case breathers with a high-volume KN Air Filter includedSlotted breather bolts and oil tubes are included with Big Twin applications.Not legal for sales or use on pollution controlled vehiclesAll air cleaners can be used on Mikuni carbs with use of adapter… (read more)

Universal Fitment. This is a really nice piece of chrome Filter is approx. 2 x 2 and 3.5 wide at the base. (read more)

Chrome-platedEasily installedAdds a little style to a part you may normally try to hideBreather has 38 inlet and chrome (read more)

Kryakyn offers a select number of complete Hypercharger kits assembled with a Blood Groove style trap door. The Blood Groove Trap Doors offer a styling alternative to standard trap doors you get the same impressive performance no matter which style you choose. (read more)

Weve completely revamped our Twin Velocity air cleaner from front-to-back to drastically improve performanceFeatures Additional slots on both sides and enlarged openings at the bottom to allow more air to enter the sides of the filter. End Breather Technology - We added a large round foam filter element… (read more)

…design features that make this V-Twin looking air cleaner now flow even better.New Features for Increased Air Flow...- Additional slots on both sides and enlarged openings at the bottom to allow more air to enter the sides of the filter.- End Breather Technology - We added a large round foam filter… (read more)

…pleated sides to maximize airflowForged billet aluminum backing plate features proven radius air inlet hidden breather hardware and our industry leading Big Sucker patented technologyForged billet aluminum air filter housings feature built in velocity stacksAll mounting hardware gaskets and necessary… (read more)

…crankcase breather and filters from Emgo Crankcase breather vents filter kit PART 14-20900 features a one-piece chrome-top filter hose clamp and die-cast mounting base accepts 38 inch i.d. hose Replacement filter with chrome die-cast cap PART 14-20905 is for use only with crankcase breather vent filter… (read more)

Prevents impurities from entering the engine when an aftermarket air cleaner and breather kit is mounted.Measures 1 12 L x 2 in diameter 38 inlet on each end. (read more)

…Velocity stack brackets feature our patented Big Sucker breather technology. Brackets made to work on SS 111 inch - 124 inch engines case breathing. There are four styles to choose from: 2 Smooth Stack 2 Battistini Stack 90 Degree Stack and 90 Degree Air Filter. All chrome plated. Pre-filters available for… (read more)

…:Distinct exposed filter design with a Stainless steel wire mesh screenDesign matched to RSD wheelsBuilt-in crank case breathers with a high-volume KN Air Filter includedSlotted breather bolts and oil tubes are included with Big Twin applications.Not legal for sales or use on pollution controlled vehicles (read more)

…plate includes built-in internal run breathers that directs heat dissipation direct to the throttle body. A bolted-in dyno-tuned velocity stack increases airflow velocity into the throttle body. Spacers and hardware are included to mount your stock Harley Davidson air-cleaner cover. Fuel management modifications… (read more)

Complete kit allows mounting customair cleaners to head breather onEvolution motors Includes stamped support breatherfittings hoses and filter 2-ended filter does not reduce breathervolume capacity Replacement filters available separately BC-48-9736 (read more)

…-T6 US grade material - Light weight and high strengthUtilizes the patented Arlen Ness Big Sucker kit adds up to 21 more horsepowerPatented hidden breathers that are o-ringed at the heads and exit at the mouth of the injector carb to eliminate exposed oil hoses and fittingsFits Twin Cam models 00 and Newer… (read more)

…same impressive performance no matter which style you choose. Complete kits are listed for most popular applications. Includes Kryakyn Crankcase Breather. (read more)

These mounting kits include everything necessary to install a Hypercharger.Fits 93-99 Evo Big TWin with STock Carb includes Kryakyn Crankcase Breather (read more)

…Skull Air Cleaner Kits are a vile and sinister addition to any bad-ass ride. The outer cover is the same high-strength extremely rigid composite cover we sell for SS carbs. These kits also include a backing plate and high-flow KN filter element as well as any necessary brackets crankcase breathers or hardware… (read more)

These ported breathers help regulate pressure and ventilation. Designed for those of you already running an intake without breathers. Sold in pairs.Not legal for sale or use on pollution controlled vehicles. (read more)

…screenDesign matched to RSD wheelsBuilt-in crank case breathers with a high-volume KN Air Filter includedSlotted breather bolts and oil tubes are included with Big Twin applications.Not legal for sales or use on pollution controlled vehiclesAll air cleaners can be used on Mikuni carbs with use of adapter… (read more)

…performance air cleaner kits for your Big Twin...PeriodOur all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor to create a virtually closed loop system.Breather features O-ring… (read more)

…Ness went to the drawing board with the purpose of creating a product that was easy on the wallet and BIG on results. End result the Little Sucker an air cleaner kit that produces BIG gains in horsepower and isnt worried about exposed hoses. Kits are available with a smooth chrome cover for a clean custom… (read more)

…interfere with riders leg.SlimLine reusable filter and BAK-Plate dynamically increase air flow and velocity.Maximizes overall performance and fuel efficiency.Easily supports engines producing over 120 HP.Complete with breather kit mounting hardware and micron-fabric rain coat for wet weather riding.Easy-to… (read more)