The Arlen Ness Drift performance air cleaner is cnc machined from forged billet aluminum and inspired by factory H-D turbine wheels, moving at speed. The Inverted air cleaners forged billet design maximizes airflow by pulling in air from all directions including the face of the air cleaner. Each performance air filter features an inverted pleated top and is handmade from black synthetic filter element wrapped in a stainless steel mesh, California Air Resource Board: Executive Order D-639-8. Its smooth flowing cage design is forged from aluminum and features a dome shaped polycarbonate window allowing you to view the internal workings on your intake system The Monster Sucker is a 90° performance air cleaner that features a massive forward facing filter design and our patented hidden breather backing technology for a reliable intake that enhances the performance of the engine 90° Forward-Facing Intake Design Patented Hidden Breather Technology High performance black Synthetic air filter Product Details Features Warranty Reviews (0) Inverted Series Drift Air Cleaner Kit by Arlen Ness®. The ultimate combination of performance and design for your V-Twin engine. Each Inverted Series filter is handmade in the U.S.A. Each handmade air filter is made in the USA and features an inverted pleated top with pleated sides to maximize airflow. This product is legal in California only for racing vehicles which can never be used, registered or licensed for on road use. Bolt-on design allows oil catch to be serviced when you service the filter element. Arlen Ness Drift Inverted Series Air Cleaner. Features an inverted pleated top and full perimeter pleated sides to pull in air from every direction, Made from black Synthetic filter element that is wrapped in Stainless Steel mesh, Re-usable / washable filter, does not require oil, CNC machined from a single piece of forged billet aluminum, Features an inverted face that acts like a velocity stack by pulling in air into the top of the performance air filter, CNC machined style features run from the face of the intake to the backing plate for eye-catching style at every angle, 2001-2017 Twin Cam Delphi EFI (Fuel Injected), *NOTE: Will not fit Fly-By-Wire Models: 08-17 FLT Touring  / 16-17 Softail / 16-17 Dyna FXDLS & 99-01 F.I. Arlen Ness Black Inverted Series Drift Air Cleaner Kit - 18-981 CNC-machined from forged billet aluminum Forged billet air filter covers feature exposed design and a CNC inverted top that acts as a velocity stack to help pull in more airflow The ultimate combination of performance and design for your V-Twin engine. Inverted Series Drift Air Cleaner Kit (18-987) by Arlen Ness®. To ensure no oil saturates the filter and restricts your airflow, the integrated oil catch collects any excess engine oil before it reaches the air filter. Clear Tear air cleaners bring the timeless tear drop shape to a whole new level. FLT, 2008-2016 FLT Touring / Bagger - FLHT / FLHR / FLHX / FLTR / H-D FL Trike, 2014-2015 FLSTNSE / 13-14 FXSBSE / 11-12 FLSTSE, *NOTE: Twin Cam models equipped w/ FBW (Fly-by-Wire or Throttle-by-Wire), 1991-up Sportster 883 / 1200  with CV Carb or Delphi EFI, 2017-up FLT Touring / Bagger - FLHT / FLHR / FLHX / FLTR. Each handmade air filter is made in the USA and features an inverted pleated top with pleated sides to maximize airflow. For over a decade Arlen Ness has led the air cleaner market with our patented Big Sucker.The new Inverted Series air cleaners combine the patented Big Sucker technology and an inverted filter top that maximizes airflow by pulling in air from the face of the air cleaner, as well as the traditional method of pulling air from the sides. The Inverted air cleaners forged billet design maximizes airflow by pulling in air from all directions including the face of the air cleaner. FORGED BILLET ALUMINUM AIR FILTER HOUSINGS: BACKING PLATE ASSEMBLY (FITMENT SPECIFIC), Throttle Body Hardware, 1/4-20 x 3/4: H-656Z (3), Backing Plate: 18-203-1C  (No Spacers Needed), Throttle Body Hardware, 1/4-20 x 1: H-658Z (3), Oil Catch Hardware, 8-32 x 3/4: H-619S (2), Outer Cover Hardware, 10-24 x 5/8: H-627S (5), 15-Spoke Inverted Series Air Cleaner, Black, 6-Piston Differential Bore Brake Calipers, 14" Black, 6-Piston Differential Bore Brake Calipers, 11.8" Red, 10-Gauge Saddlebag Latch Covers, Red 14-up FLT, 21" Fender Brackets for 14-up FLT Factory Fenders, Direct Bolt-On Indicator Lights for FLT Touring, Black, Beveled Re-Useable Billet Oil Filter, Black, Beveled Re-Useable Billet Oil Filter, Chrome, Torque Box Air Cleaner for Scout™ Engines, 90° Air Cleaner for Thunder Stoke™ Engines, Chrome, 10-Gauge 90° Air Cleaner for Thunder Stoke™ Engines, Chrome, Deep Cut 90° Air Cleaner for Thunder Stoke™ Engines, Chrome, ProCross Forged Wheels for Indian®, Black, ProCross Forged Wheels for Indian®, Chrome, 7-Valve Forged Wheels for Indian®, Chrome, Modular Handlebars for Chieftain™, Chrome, 10-Gauge Comfort Grips for Indian™, Black, Deep Cut Comfort Grips for Indian™, Chrome, Finned Cam Cover for Thunderstroke® Engines, Black, Finned Cam Cover for Thunderstroke® Engines, Chrome, 10-Gauge Thermostat Cover for Scout® Engines, Black, 10-Gauge Thermostat Cover for Scout® Engines, Chrome, 21" Pro Short Front Fender, Indian Chief/Chieftain, 21" Rapper Front Fender, Indian Chief/Chieftain, 18" Fat Pro Short Front Fenders, Indian Chieftain, 18" Fat Rapper Front Fenders, Indian Chieftain, 15-Spoke Inverted Air Cleaner & Horn Combo, Chrome, Beveled Windshield Trim for Street Glide™, Black, Deep Cut Windshield Trim for Road Glide™, Chrome, Beveled Windshield Trim for Street Glide™, Chrome, Beveled Windshield Trim for Road Glide™, Chrome, Slot Track Saddlebag Latch Covers, Black 93-13 FLT, Beveled Saddlebag Latch & Lid Levers, Chrome, 10-Gauge Saddlebag Latch Covers, Black 93-13 FLT, 10-Gauge Saddlebag Latch Covers, Chrome 93-13 FLT, Deep Cut Fusion Series Passenger Floorboards, Black, Deep Cut Inverted Series Air Cleaner, Chrome, Deep Cut Inverted Series Air Cleaner, Black, Drift Inverted Series Air Cleaner, Chrome, 15-Spoke Inverted Series Air Cleaner, Chrome, Slot Track Inverted Series Air Cleaner, Chrome, Slot Track Inverted Series Air Cleaner, Black, 10-Gauge Inverted Series Air Cleaner, Chrome, Beveled Inverted Series Air Cleaner, Chrome, Beveled Inverted Series Air Cleaner, Black, 10-Gauge Inverted Series Air Cleaner, Black, 10-Gauge Monster Sucker Air Cleaner, Black, 10-Gauge Monster Sucker Air Cleaner, Chrome, Beveled Monster Sucker Air Cleaner, Black, Beveled Monster Sucker Air Cleaner, Chrome, Deep Cut Monster Sucker Air Cleaner, Chrome, Deep Cut Monster Sucker Air Cleaner, Black, 6-Piston Differential Bore Brake Calipers, 11.8" Blue, FLT Brake Rotor Adapter, Universal Fitment Black, Rear 6-Piston Differential Bore Brake Calipers, Black, 6-Piston Differential Bore Brake Calipers, 11.8" Black, 6-Piston Differential Bore Brake Calipers, 14" Gold, 6-Piston Differential Bore Brake Calipers, 14" Red, 6-Piston Differential Bore Brake Calipers, 14" Blue, 6-Piston Differential Bore Brake Calipers, 14" Titanium, 6-Piston Differential Bore Brake Calipers, 11.8" Titanium, 6-Piston Differential Bore Brake Calipers, 11.8" Gold, 14" Brake Caliper Adapter Brackets, Indian®, FLT Brake Rotor Adapter, Universal Fitment Chrome, FLT Brake Rotor Adapter for Ness Wheels, Chrome, FLT Brake Rotor Adapter for Ness Wheels, Black, Rear 6-Piston Differential Bore Brake Calipers, Chrome, 6-Piston Differential Bore Brake Calipers, 14" Chrome, 6-Piston Differential Bore Brake Calipers, 11.8" Chrome, 14" Jagged Big Brake Rotors, FLT Spoke Mount, Cartridge Hub Kit for Front Wheels, Black, Cartridge Hub Kit for Rear Wheels, Chrome, Cartridge Hub Kit for Front Wheels, Chrome, Beveled Saddlebag Latch Covers, Black 14-up FLT, 10-Gauge Saddlebag Latch Covers, Black 14-up FLT, 10-Gauge Transmission Top Covers, All Black, 10-Gauge Transmission Side Covers, All Black, 10-Gauge Twin Cam Rocker Box Covers, All Black, 10-Gauge Saddlebag Latch Covers, All Black 14-up FLT, 10-Gauge Transmission Top Covers, Titanium, 10-Gauge Transmission Side Covers, Titanium, Down-N-Out Exhaust & Heat Shield Extension Kit, 39/49 Front Fender, 21" Dyna/FXR/Sportster, Down-N-Out Stretched Saddlebags, Composite, Wrapper Carbon Composite Front Fenders, Softail Models, Wrapper Carbon Composite Front Fenders, FLT Touring, Steel Rapper Front Fender, Softail Models, Direct Bolt-On Indicator Lights for XL/FXD/FXST, Black, Direct Bolt-On Indicator Lights for XL/FXD/FXST, Chrome, Fire Ring LED Kits for Factory Turn Signals, Black, Super Clamps for Slip-On Mufflers, Chrome, Rear Adjustable Lowering Kit, Softail™ Models, Deep Cut Re-Useable Billet Oil Filter, Black, Deep Cut Re-Useable Billet Oil Filter, Chrome, Beveled 90° Air Cleaner for Thunder Stoke™ Engines, Chrome, Flare 5 Forged Wheels for Indian®, Chrome, 11.8" Brake Rotor for Flare 5 & Drift Indian® Wheels, Front, 14" Flare 5 Brake Rotors for Indian®, Front, Procross Brake Rotors for Indian®, Chrome, 10-Gauge Comfort Grips for Indian™, Chrome, Deep Cut Heel Shift Arm for Indian®, Chrome, Deep Cut Heel Shift Arm for Indian®, Black, 10-Gauge Passenger Floorboards for Indian®, Chrome, 10-Gauge Passenger Floorboards for Indian®, Black, 10-Gauge Mini Floorboards for Scout®, Chrome, 10-Gauge Mini Floorboards for Scout®, Black, Deep Cut Mini Floorboards for Scout®, Black, Deep Cut Mini Floorboards for Scout®, Chrome, Deep Cut Passenger Floorboards for Indian®, Black, Deep Cut Passenger Floorboards for Indian®, Chrome, Ness-Mx Passenger Floorboards for Indian®, Chrome, Ness-Mx Passenger Floorboards for Indian®, Black, Finned Primary Cover for Thunderstroke® Engines, Black, Finned Primary Cover for Thunderstroke® Engines, Chrome, Finned Horn Cover for Thunderstroke® Engines, Black, Finned Horn Cover for Thunderstroke® Engines, Chrome, 10-Gauge Front Drive Pulley Cover for Scout® Engines, Chrome, 10-Gauge Key Switch Cover for Scout® Engines, Chrome, 10-Gauge Primary Cover for Scout® Engines, Black, 10-Gauge Primary Cover for Scout® Engines, Chrome, 10-Gauge Stator Cover for Scout® Engines, Black, 10-Gauge Stator Cover for Scout® Engines, Chrome, 21" Front Fender Brackets, 18-up Indian Chieftain, 21" Composite Front Fender, Indian Chief/Chieftain, Scalloped Stage 1 Big Sucker Cover, Black, Scalloped Stage 1 Big Sucker Cover, Chrome, Scalloped Stage 2 Big Sucker Cover, Chrome, Deep Cut Inner Fairing Gauge Trim, Chrome, 10-Gauge Inner Fairing Gauge Trim, Chrome, Deep Cut Fairing Vent Trim For Street Glide™, Chrome, 10-Gauge Fairing Vent Trim For Street Glide™, Chrome, 10-Gauge Windshield Trim for Street Glide™, Black, Beveled Saddlebag Latch Covers, Black 93-13 FLT, Engraved Saddlebag Latch Covers, Chrome 93-13 FLT, Beveled Saddlebag Latch Covers, Chrome 93-13 FLT, Modular Adjustable Handlebar Clamps, Black, Modular Adjustable Handlebar Clamps, Chrome, Stage 1 Big Sucker, Twin Cam/Sportster/Evo, 10-Gauge Trim Collection for Indian Scout®, Directional design inspired by Arlen Ness Drift forged wheels, Radius air inlet for unobstructed airflow, Specially designed breather bolts are hidden under billet covers for a clean look, Eliminates oil blow-bye issues associated with M8 engines by directing any excess breather oil back into the engine, Patent-Pending Oil Catch / Reservoir.