Sierra 3500 HD

We have bundled everything you need in a leveling kit for your Silverado/Sierra 2500/3500 2WD/4WD with high quality Cognito components and Fox shocks.There is no guesswork. This kit includes the Cognito Ball Joint SM Series Upper Control Arm Kit, Torsion...

Our high flow performance exhaust systems maximize exhaust flow so your engine keeps its cool with lower exhaust temperatures. Your reward will be greater fuel efficiency; more torque; more horsepower; and last but not least a sound that is pure MBRP.Our...

The Black DPF series is our premier MagnaFlow Performance DPF Series featuring stainless construction with the added style of a Black Coating applied from tailpipe to tip.MagnaFlow's dedication to engineering and manufacturing the finest exhaust systems...

Interested in a new exhaust system for your LML Duramax? Check out the ATLAS Dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This...

Ball Joints are a moving part therefore a normal wear item on any vehicle. The Cognito design is a press in style ball joint that is very easy to replace on the Cognito ball joint style upper control arm kits.This heavy-duty press in ball joint is a...

The heart of the Zone Offroad 5" 2500 HD/ 3500 HD lift kit is a pair of one piece 1/4" steel crossmembers combined with the CNC machined steering knuckles to create OE geometry for a quality ride. Also included is a laser cut differential skid plate,...

The Cognito Comfort Ride Leaf Spring will have more compression travel before the bottom overload activates, meanwhile maintaining an excellent ride quality via being made from high quality spring steel.Features22% Improvement in ride qualityProvides...

Needing just a small amount of lift added to your 2500HD/3500? Tuff Country EZ-Ride Suspension's P/N 12034 Silverado/Sierra 2500HD/3500HD 2 inch Lift Kit is the perfect choice. This lift kit uses front replacement torsion bar keys and rear lift blocks to...

LOAD IT UP AND GET TO WORKNever crawl into your truck bed or van againMulti-position cargo stopsIndustrial-grade American steel and aluminumTray uses resin coated marine-grade plywoodROLL IT OUT AND GET ROLLIN'Ballsy ball bearings for buttery-smooth...

Interested in a new exhaust system for your LML Duramax? Check out the ATLAS DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit...

Interested in a new exhaust system for your LML Duramax? Check out the Large Bore-HD DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet hangers...

Interested in a new exhaust system for your LML Duramax? Check out the ATLAS DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit...