Bilstein 8125 Series 35.5in Extended Length 21.5in Collapsed Length 46mm Monotube Shock Absorber 2004-chevrolet-silverado-1500-lt-esi6225015 Replace the Polyphonic Harmonizer behind

Replace the Polyphonic Harmonizer behind the muffler in the ATAK(r) system with muffler 60679 to attain the "S-Type" sound level (quieter than ATAK(r))

Impala 1985-1975

The system provides the aggressive ATAK sound

75" pipes Cat-Back(tm) system by Borla(r) features a True Dual design which is unique in the industry

BORLA always is a value-added component

Bilstein 8125 Series 35.5in Extended Length 21.5in Collapsed Length 46mm Monotube Shock Absorber 2004-chevrolet-silverado-1500-lt-esi6225015 Replace the Polyphonic Harmonizer behindBilstein B8 8125 coilovers are engineered for the serious off road enthusiast, available in both 46mm (2 inch) and 60mm (2. 65 inch) sizes. Designed for use with dual rate springs and available in a wide range of travel lengths, these performance coilovers are perfect for custom coilover suspension applications. Equipped with a competition designed, 3 stage seal pack, these coilovers withstand the harshest off road environments. All B8 8125 coilovers