Bilstein 4600 Series 1998 Ford F-250 XLT 4WD Front 46mm Monotube Shock Absorber Wheel and Tire Accessories>Wheel Studs Simply remove the AFM valve

Simply remove the AFM valve motors from the factory exhaust

they lack enough energy to light off the combustion chamber of a modified high-performance vehicle

roto-mold intake tube to achieve maximum power gains while maintaining a perfect fit

and remapping the ECU is mandatory when it is fitted

Bilstein 4600 Series 1998 Ford F-250 XLT 4WD Front 46mm Monotube Shock Absorber Wheel and Tire Accessories>Wheel Studs Simply remove the AFM valveBilstein 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