Hofmann Designs CVO Air Cleaner Kit - Black

Hofmann Designs CVO billet aluminum air cleaner kit for 121cc VVT V-twin engines, featuring a black face plate with carbon fiber insert and integrated K&N high-flow filter. Slim, compact design keeps your leg position tucked in further than factory airbox while delivering maximum airflow to the new VVT platform.

Features

• 6061 billet aluminum construction
• 100% bolt-on installation
• Includes K&N hi-flow air filter
• Includes all hardware, fittings, and gaskets
• Black face plate with carbon fiber insert
• Slim profile: tucks leg in more than stock airbox
• Designed for 121cc VVT engine

Specifications

• Brand: Hofmann Designs
• Manufacturer Part #: HDB1045B
• Material: 6061 billet aluminum
• Length: 9 in
• Width: 9 in
• Height: 4 in
• Weight: 5 lbs

Fitment

Fits V-twin motorcycles equipped with the new 121cc VVT engine. Intended for off-road closed competition use only — not street legal or approved for highway use.

Frequently Asked Questions

Is this street legal?

No — this air cleaner kit is designed exclusively for off-road closed competition use and is not approved for highway riding.

What engine does this fit?

Designed for the new 121cc VVT V-twin platform. Verify your engine displacement and VVT compatibility before ordering.

Does it come with the air filter?

Yes — includes a K&N hi-flow air filter and all mounting hardware, gaskets, and fittings needed for bolt-on installation.

How does leg room compare to the factory airbox?

The slim, compact design allows you to tuck your leg in substantially more than the factory airbox, improving rider position on the bike.

What's the fitment compared to other tank and cam components?

The fuel tank and cam cover extend further than the entire air cleaner kit, so this design clears other engine modifications without interference.