Bilstein B6 4600 07-13 Ford Expedition/Lincoln Navigator 46mm Rear Monotube Shock Absorber 2013-chevrolet-silverado-1500-ls-esi4834087 5" diameter Cat-Back system features

5" diameter Cat-Back system features a True Dual design with two full tail pipes (Not just a single tail pipe with dual tips) that is unique in the industry

Coverage includes Bullitt models

which are calibrated on a vehicle-by-vehicle basis to deliver the most desirable sound

All BORLA Cat-Back and Axle-Back systems are made in the USA and are covered by our Million-Mile warranty

Using Borla(r) Stainless Steel Polish p#21499 is NOT recommended with these black chrome tips

Bilstein B6 4600 07-13 Ford Expedition/Lincoln Navigator 46mm Rear Monotube Shock Absorber 2013-chevrolet-silverado-1500-ls-esi4834087 5" diameter Cat-Back system featuresBilstein B6 4600 shock absorbers are designed as a direct fit upgrade to OE shock absorbers on stock height light trucks and SUVs. These shock absorbers feature a monotube design which provides consistent fade free performance. B6 4600 shock absorbers utilize a unique, velocity sensitive, digressive piston which reacts to changing road conditions. All B6 4600 shock absorbers are tuned for each specific application to ensure optimal performance is