Bellmouth Velocity Stacks

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.   10950 - 2.500" Inlet Bellmouth OD: 6.000"Compatible Air Filter: 10960 10951 - 3.000" Inlet Bellmouth OD: 6.000"Compatible Air Filter: 10960 10952 - 3.500" Inlet Bellmouth OD: 6.000"Compatible Air Filter: 10960 10953 - 4.000" Inlet Bellmouth OD: 7.000"Compatible Air Filter: 10961 10954 - 5.000" Inlet Bellmouth OD: 8.750"Compatible Air Filter: N/A