Vibrant Bellmouth Velocity Stack Aluminum (3.5in Neck O.D. 6in Bellmouth O.D.)

Vibrant Performance aluminum bellmouth velocity stacks are constructed from spun, 1/8” thick T6061 aluminum and are designed with the turbo fabricator in mind. Vibrant Performance bellmouth velocity stacks are ideal for all motor and forced induction race applications. They allow for less turbulent air to enter your engine and reduces turbo lag which cumulates in dramatic airflow improvements resulting in significant torque and horsepower gains. They are available in Inlet O.D. dimensions of 2.5” to 5” and bellmouth O.D. dimensions of 6”, 7” and 8 ¾”.

Most orders ship within 1–3 days, either from our warehouse or directly from the manufacturer. We validate inventory with our vendors to provide the most accurate information possible, though occasional delays can happen.

This partner-first approach helps keep costs down and shipping times fast, with full visibility from order to delivery. Have questions? Email sales@jdmkonbini.com and we’ll help right away.