R&D Supercharger Sleeve 4 inch 613-95040
The sleeving up of the diameter of the Supercharger enables a 3.5 inch or 4 inch
intake filter system to be utilized. The larger intake increases cubic air
volume as well as decreases air inlet restriction. A win win, supercharge
your supercharger and give it more air! Available in 3.5 inch and 4 inch diameters.
Fits all Supercharged 4-Tec Models.