Vibrant Bellmouth Velocity Stack, 3.5" Inlet O.D. x 6" Bellmouth O.D. - 10952 650cc superior air dispersion through the

superior air dispersion through the core

anodized finish with laser-etched technical info and logos

AI2-HDG4 kit features ACT's most popular Heavy Duty pressure plate

3001503 is a performance street disc and the most popular disc purchased

Note: Packaging contains left and right side remote radiators

Vibrant Bellmouth Velocity Stack, 3.5" Inlet O.D. x 6" Bellmouth O.D. - 10952 650cc superior air dispersion through theBellmouth OD: 6. 000" Compatible Air Filter: 10960 Vibrant Performance Bellmouth style Velocity Stacks allow for less turbulent air to enter your intake, resulting in air flow improvements and, ultimately, torque and horsepower gains. They are spun from 1 8" (3mm) thick 6061 Aluminum Alloy.