SPL Parts BMW F8X Rear Upper Arms air scoops This GT4 lip differs from

This GT4 lip differs from the original one in three ways

Collar secured cap for quick spring changes

CNC Formed Hand Grips For Easy Installation

Increase throttle response and decreases turbo lag with the VRSF Charge Pipe Upgrade for your F-chassis M2

Please note this item is only interchangeable with the existing VRSF 3

SPL Parts BMW F8X Rear Upper Arms air scoops This GT4 lip differs fromMany of our SPL Parts are made to order. Please allow 3 6 weeks for production and delivery. Thank you! BMW F8X adjustable Rear Upper Arms (RUA) are an absolute necessity to maintain proper rear camber and reduce tire wear on the street and track. The stock BMW setup has an aggressive camber curve through bump travel, which is very apparent on lowered cars. Excess negative camber causes premature tire wear on the inside edge, and reduced traction on