Spoon Sports Rigid Collar - Subaru chiffon - Full Kit one_imagesimple3 180sx RS13 / RPS13

180sx RS13 / RPS13

Stud size: M8x1

You drop the restrictive factory airbox and ducting

please see fitment compatibility chart for more

Spoon Sports Rigid Collar - Subaru chiffon - Full Kit one_imagesimple3 180sx RS13 / RPS13Developed 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