Skyjacker Hydro Shock Absorber 2011-2017 Chevrolet Silverado 2500 HD 4 Wheel Drive Lights>Headlights These headers retain your stock

These headers retain your stock catalytic converters and factory O2 sensor locations for a direct bolt-on installation that requires no cutting or modifications

we are recommending the following per application: for the 330i

The system features dual 4" round bright chrome on T-304 stainless steel tips on each muffler

allowing the Adapt to properly distribute all available power among three optic zones

Our latest development includes the addition of the bootmod3 CustomROM features that add advanced end user and tuning features such as:

Skyjacker Hydro Shock Absorber 2011-2017 Chevrolet Silverado 2500 HD 4 Wheel Drive Lights>Headlights These headers retain your stockSkyjacker(R) Suspensions offers you a high quality shock absorber with true velocity sensitive valving. Shock absorbers, or spring dampers as it is called everywhere else except in the U. S., control the rate at which suspension springs compress and rebound. As the shock is pushed together, this is called bump or compression. As the shock expands, this is called rebound or extension. Absorbing the shock' of bumps and suspension loading is actually