Whiteline Rear Subframe Bolt Kit WRX / STI (2002-2007) Infiniti When testing this on header

When testing this on header on an upgraded turbo vehicle

Make/Model: BMW 4

SPEC Stage 2+ # SU003H

3 inches lower than stock ride height

They will also make a subtle and noticeable visual improvement to the M3's stance

Whiteline Rear Subframe Bolt Kit WRX / STI (2002-2007) Infiniti When testing this on headerThe Whiteline rear subframe lock bolts for the Subaru WRX STI will remove the slop from the rear end. The WRX and STI have a rear subframe that is held to the car using soft OE bushings that allow movement. This excessive movement reduces the effectiveness of sway bars, lateral links, and control arms. This inexpensive kit from Whiteline threads bolts into holes that already exist from the factory. The bolts install simply with hand tools and will