Vibrant Bellmouth Velocity Stack Aluminum (4in Neck O.D. 7in Bellmouth O.D.)

Specifications:
Inlet OD: 4.00" (101.6mm)
Bellmouth OD: 7.00" (177.8mm)

Compatible Air Filter: 10960

Vibrant Performance high efficiency Bellmouth-style Velocity Stacks allow for less turbulent air to enter your engine, resulting in airflow improvements and, ultimately, torque and horsepower gains. Spun from 1/8" (3mm) thick T6061 Aluminum Alloy