SKUNK2 COMPOSITE 3.5 INCH VELOCITY STACK W/ MOUNTThe Skunk2 Composite Velocity Stack utilizes race proven technology and is engineered to optimize air flow while maximizing velocity for your induction system. Injection molded from 30% Glass Filled Nylon 6 imparts high impact strength with low thermal conductivity to significantly reduce heat soak and air intake temperatures. The design also incorporates dimples on the entry surface to extend the boundary layer into the mouth. This increases the