denser ambient air into the stock or aftermarket intake feeds
aggressive track use or high power applications
Manufactured with slip joints at 2 points
It can mean the difference between winning a race and missing a shift
Skunk2 has been designing custom headers for its drag racing
Spoon Sports Rigid Collar - Lexus IS200t, 250, 300, 300h, 350, 500 ASE30, GSE30, AVE30, USE30, GSE31 - Full Kit Clearance30 denser ambient air into theDeveloped by Spoon Sports, the Japanese Honda tuning specialists, Rigid Collars are precision machined aluminium rings that lock your subframe to the chassis. Factories drill the subframe bolt holes oversized so components drop in fast on the production line, and that clearance stays for the life of the car. It leaves the subframe sitting a fraction off centre, dulling steering response and letting vibration through the floor. Fit a set and the bolts