Vibrant Bellmouth-Style Velocity Stack 4" Inlet O.D., 7" Bellmouth O.D. | 10953 vendor_Driveshaft Shop That’s why we’ve optimized this

That’s why we’ve optimized this AOS design to withstand the demands of off-road conditions

lower operating temperatures

Rated to 1000HP with a 1-year warranty

washers to increase spring tension

Vibrant Bellmouth-Style Velocity Stack 4" Inlet O.D., 7" Bellmouth O.D. | 10953 vendor_Driveshaft Shop That’s why we’ve optimized thisVibrants new high efficiency Bellmouth Style Velocity Stacks are ideal for All Motor and Forced Induction race applications. They allow for less turbulent air to enter your race engine, resulting in dramatic airflow improvements and ultimately significant torque and horsepower gains. Also reduces turbo lag on turbocharged engines. Spun from 1 8 thick T6061 Aluminum Alloy. This item is non application specific. Please verify compatibility before