Spoon Sports Rigid Collar - Lexus GS350, 430, 450h, 460 GRS191, UZS190, GWS191, URS190 - Rear Mugen The duct opens the most

The duct opens the most direct cold air path it can

these NGK sensors are a cost effective replacement items

In the end

The front/back throw and left/right throw can be adjusted independently

this prevents the frame from flexing

Spoon Sports Rigid Collar - Lexus GS350, 430, 450h, 460 GRS191, UZS190, GWS191, URS190 - Rear Mugen The duct opens the mostDeveloped 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