Bilstein B12 2009 Audi A4 Base Front and Rear Suspension Kit 2007-chevrolet-colorado-ls-esi1221799 BORLA(r)'s XR-1(r) raceline parts offer

BORLA(r)'s XR-1(r) raceline parts offer a good balance of sound and power

automatic or manual transmission models

Clamp not included

75" diameter system is designed for vehicles that come from the factory with single tips and are NOT with Dual Mode Exhaust (NPP) valves

Bilstein B12 2009 Audi A4 Base Front and Rear Suspension Kit 2007-chevrolet-colorado-ls-esi1221799 BORLA(r)'s XR-1(r) raceline parts offerBilstein B12 (Pro Kit) suspension kits include a complete set of Bilstein Performance dampers paired with Eibach (Pro Kit) springs that provide moderate lowering between 24 40mm (depending on application). These kits offer dampers and springs that are tuned for each specific application to provide the best fixed height lowering solution. Bilstein B12 (Pro Kit) suspension kits provide the perfect combination of suspension dynamics, quality and