Assault Charge Air Cleaner Kit – Machined / Raw (Billet Aluminum)

High-Performance Air Intake for Harley-Davidson Twin Cam Throttle-by-Wire (2008–2017)

The Assault Charge Air Cleaner – Machined / Raw brings race-proven airflow and raw billet style to your Twin Cam throttle-by-wire Harley-Davidson. Precision CNC-machined from billet aluminum, this system is designed to optimize performance while showing off that unapologetic mechanical attitude riders love. The hidden integrated breather system delivers efficient engine breathing without external hoses, and the plexiglass outer cover showcases the internal craftsmanship and high-flow filter. With its polished raw aluminum finish, it’s the perfect choice for riders who want performance and style in one American-made package.

⚙️ Optional Upgrade: Velocity Stack #1010-2218 (expands stock opening to 58 mm)
⚠️ WARNING: Not legal for sale or use in California on any pollution-controlled motor vehicles.
🇺🇸 Made in the USA

Key Features

• Billet aluminum backing plate with hidden integrated breather system for clean installation

• Snap-in velocity stack increases airflow, throttle response, and power

• High-flow cotton gauze filter is reusable—clean and re-oil for long life

• Plexiglass outer cover reveals the internal design for a performance-inspired look

• Polished raw billet finish delivers classic custom style

• Dyno developed and tested for proven horsepower and torque gains

• All installation hardware included

• Made in the USA

Performance & Fitment

Engineered specifically for Twin Cam Throttle-by-Wire EFI models (2008–2017), the Assault Charge Air Cleaner – Machined / Raw is ideal for Touring, Softail, and CVO builds where both performance and appearance matter. This system provides improved intake efficiency, helping your Harley breathe deeper and run cooler while adding an unmistakable billet performance aesthetic.

Compatible Models Include:

• Softail: Slim, Fat Boy, Deluxe, Heritage Classic, Breakout, Low Rider S, CVO Pro Street Breakout (2012–2017)

• Touring: Street Glide, Road Glide, Ultra Limited, Road King, Tri Glide (2008–2017)

• CVO Models: CVO Limited, CVO Street Glide, CVO Road Glide, CVO Softail Convertible, CVO Road King (2008–2016)

Specs

Product Name: Air Cleaner
Model: Assault Charge
Design: Breather / Velocity Stack
Material: CNC-Machined Billet Aluminum
Finish: Machined / Raw (Polished Aluminum)
Filter Media: Cotton Gauze (Washable & Re-Oilable)
Shape: Round
Includes: Backing Plate, Filter, Plexiglass Cover, Hardware
Weight: 3.7 lbs
Dimensions (L × W × H): 10.45" × 10.24" × 6.81"
Riding Style: Street
Country of Origin: Made in the USA