By removing the restrictive factory bottom half of the airbox, the engine can draw in more air.
Because it significantly changes the air intake capacity, you likely need a remap or fuel tuner to ensure the engine doesn't run too lean. Helpful Considerations:
The (often referred to in the context of Harley-Davidson V-Rod performance) is an intake modification where the lower half of the airbox housing is removed or modified to improve airflow. What It Does:
It is often paired with a "topless" mod (removing the top cover) to maximize intake volume, leading to potential HP gains.
Bottomless Mod Apr 2026
By removing the restrictive factory bottom half of the airbox, the engine can draw in more air.
Because it significantly changes the air intake capacity, you likely need a remap or fuel tuner to ensure the engine doesn't run too lean. Helpful Considerations: Bottomless mod
The (often referred to in the context of Harley-Davidson V-Rod performance) is an intake modification where the lower half of the airbox housing is removed or modified to improve airflow. What It Does: By removing the restrictive factory bottom half of
It is often paired with a "topless" mod (removing the top cover) to maximize intake volume, leading to potential HP gains. leading to potential HP gains.