Bilstein 20-21 Polaris RZR XP 4 1000 Black Hawk Powersports Shock & Coil Spring Assembly - Rear 1978-bmw-633csi-base-esi2365498 5" diameter into dual 2"

5" diameter into dual 2" Cat-Back™ system will fit vehicles with and without NPP

BORLA® System does NOT include a Y-Pipe

Does NOT fit Ram Classic

This system is perfect for off-roading

Bilstein 20-21 Polaris RZR XP 4 1000 Black Hawk Powersports Shock & Coil Spring Assembly - Rear 1978-bmw-633csi-base-esi2365498 5" diameter into dual 2"Bilstein Black Hawk Powersports coilovers are specifically engineered to vastly improve the performance of your UTV. These direct fit coilovers offer position sensitive damping and 4 way adjustability, all features that will take your UTV to the next level. Black Hawk Powersports feature Bilsteins patented ZoneControl position sensitive technology that contains 5 independently tuned damping zones; 3 Compression and 2 Rebound. ZoneControl incorporates