SPL Parts 2010+ BMW F2x 2 Series / 2011+ BMW F3 X 3 & 4 Series Rear Traction Arm Knuckle Bushing - SPL RKB F3X fits_1996-2002`Dodge`Viper and remove the ST sound

and remove the ST sound core for wide open full volume

styled specifically to fit the personality of the Cadillac SUV

This allows the driver to dial in the front and rear roll resistance to achieve the desired handling bias

Billet Aluminum Fittings

delivering a sound experience worthy of its performance

SPL Parts 2010+ BMW F2x 2 Series / 2011+ BMW F3 X 3 & 4 Series Rear Traction Arm Knuckle Bushing - SPL RKB F3X fits_1996-2002`Dodge`Viper and remove the ST soundThese Rear Traction Arm Knuckle Bushing replace the rubber factory bushing attaching the lower control arm to the knuckle with a low friction teflon lined spherical bearing. Replacing the OEM component with this bushing will allow for less deflection under heavy load, and less bind as the arm travels through its suspension. We use the largest possible FK bearing in this location for increased longevity and lower NVH. The housing for the bearing is