E9x E8x Rear Air Bag - Drag Kit

One of the simplest ways to stiffen up your rear suspension and improve launch characteristics on the e9x and e8x rear suspension.  Remove your rear coil springs and install these airbags inside the springs, air pressure can be added via schrader valve to stiffen the rear suspension on demand or to add ride height for heavy loads (passengers in the rear seat)

Includes 2x airbags and all plumbing needed to connect airbags to schrader valve.  

Fits stock size springs.