Bilstein B6 (HD) Series 97-02 Freightliner X-Line 46mm Rear Monotube Shock Absorber Exhaust- Mufflers & Tips>Headers & Manifolds This muffler is constructed of

This muffler is constructed of either Aluminized steel or brushed finished 409 stainless steel and uses a straight through perforated core with heat resistant packing to reduce backpressure and maximize exhaust flow

while delivering a design that complements modern vehicle styling

2005-2006 GMC Sierra 1500 Denali Crew Cab Pickup

188 bypass with matching spring and poppet

Bilstein B6 (HD) Series 97-02 Freightliner X-Line 46mm Rear Monotube Shock Absorber Exhaust- Mufflers & Tips>Headers & Manifolds This muffler is constructed ofBilstein B6 shock absorbers and struts are the ideal choice for improving the performance of any vehicle. These shock absorbers and struts feature a monotube design which provides consistent fade free performance. Bilstein B6 shock absorbers and struts utilize a unique, velocity sensitive, digressive piston which reacts to changing road conditions to provide consistent fade free performance. All B6 shock absorbers and struts are tuned for each