Arlen Ness 18-818 Smooth Stage 2 Big Sucker™, Chrome Red Pre Oiled 99-17 Twin Cam (Exc. FBW Models & 99-01 FI FLT)

Description

Big Sucker™ Stage 2 air cleaners retain all the performance gaining features of the Stage 1 plus a 20% larger filter fore even more airflow. Each Stage 2 features our patented hidden breather backing plate that is o-ringed at the heads and exits inside the mouth of the throttle body, eliminating the need for any external hoses or hardware

Smooth Cover Style
Increases Horsepower & Torque
20% Larger Filter Than Stage 1
Patented Hidden Breather Technology
Pre-Oiled & Synthetic High Performance Filters
One-Piece Aluminum Backing Plate
Radius Air Inlet for Unobstructed Airflow

California Air Resource Board: Executive Order D-639-12_R-01

California Prop 65: Learn More

Air Cleaner Backing Plate:

Made from aluminum and finished to spec by CNC machine
The backing plate's one-piece design features our patented hidden breather technology, each breather is o-ringed at the heads and exits at the mouth of the throttle body. This creates a virtually closed look system which eliminates the need for any external hoses or hardware
Smooth radius air inlet engineered to provide maximum airflow directly into the engine
Chrome finish

Performance Air Filter:

Each Big Sucker performance filter is handmade in the USA
20% larger filter then Stage 1
Performance filters are available in red pre-oiled cotton or synthetic elements
Red pre-oiled cotton performance filters are made from 4 layers of surgical grade cotton. Filters are washable/re-useable, filter service kits are available separately
Synthetics performance filters are made from a black synthetic filter element that is wrapped in a stainless steel jacket. Synthetic filters are water resistant and do not require oil, they are also washable/re-useable

Air Cleaner Covers and Components:

Stage 2 Smooth chrome cover included

Fitment

99-17 Twin Cam (Exc. FBW & 99-01 FI FLT)
08-16 FLT / 16-17 FLST & FXDLS (FBW)
91-up XL Sportster
93-99 Evo (Evolution)
99-01 FI (Fuel Injected) FLT

Kit Components (BOM)

Backing Plate (Fitment Specific)

08-16 FLT/16-17 FBW Softail & Dyna: Chrome 18-585

99-17 Twin Cam (Exc. FBW & 01 FI): Chrome 18-586

99-01 Fuel Injected (FI) FLT: Chrome 18-588

93-99 Evolution: Chrome 18-587

88-up XL Sportster: Chrome 18-589

Hardware Kit (Fitment Specific)

08-16 FLT/16-17 FBW Softail & Dyna: 18-539

99-17 Twin Cam (Exc. FBW & 01 FI): 18-539

99-01 Fuel Injected (FI) FLT: 18-542

93-99 Evolution: 18-541

88-up XL Sportster: 18-543

Stage 2 Air Filter, Red Pre-Oiled

08-16 FLT/16-17 FBW Softail & Dyna: 18-081

99-17 Twin Cam/88-up XL/93-99 Evo/99-01 FI FLT: 18-099

Stage 2 Air Filter, Synthetic

08-16 FLT/16-17 FBW Softail & Dyna: 50-085

99-17 Twin Cam/88-up XL/93-99 Evo/99-01 FI FLT: 50-086

Smooth Stage 2 Air Cleaner Cover, Chrome: 18-770