Bilstein 4600 Series 1999 Ford F-350 SD XL RWD Cab & Chassis Rear 46mm Monotube Shock Absorber 2020-chevrolet-silverado-1500-custom-trail-boss-esi1790646 Features 4" bright chrome on

Features 4" bright chrome on T-304 stainless steel tips and the mellow Touring sound

For convertible applications use PN 11938 and 11939

Fits Factory Side Exit vehicles ONLY

Borla(r) Cat-Back(tm) & Axle-back exhaust systems feature patented multi-core technology designed to unleash hidden horsepower

Add Mid-Pipe 60622 to create a Cat-Back system

Bilstein 4600 Series 1999 Ford F-350 SD XL RWD Cab & Chassis Rear 46mm Monotube Shock Absorber 2020-chevrolet-silverado-1500-custom-trail-boss-esi1790646 Features 4" bright chrome onBilstein 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