STILLEN is known worldwide for one thing and that's pure performance. Our exhaust systems have proven year after year to add improved acceleration along with increased power. STILLEN Exhaust...

This is our new STILLEN Cold Air Intake for the Titan, Armada and QX56 5.6 liter V8. Expect increased power coupled with a enhanced gas mileage (if you can keep your foot out of it). This is...

Brake Pros is now offering an all new 6-Piston big brake kit with a 15" two piece discs assembly for select vehicle applications. Using the latest technological advancements from AP Racing;...

This is the sway bar that Nissan should have put on these trucks. This bar is 42% stiffer than stock. You will immediately notice greatly enhanced stability with much less front end dive and...

You are losing horsepower and torque without STILLEN's new Grounding Kits for the Titan and Armada. Today's engine management systems utilize hundreds of sensors and in some cases over 12...

By cooling the engine's oil, the life and quality of the oil are improved while thousands of miles of life are added to high-wear engine components such as piston rings, piston skirts, cam...

These new STILLEN headers yield maximum power - 29 HP increase with 27 FT/LBs of torque at max gain. (Figures quoted are for a STILLEN exhaust equipped vehicle.) These are precision crafted...

STILLEN Sport Rotors are an exact size as OEM rotors; they offer maximum performance with stock calipers. Computer Aided Design (CAD) is employed to determine the optimum pattern for any size...

STILLEN Sport Rotors are an exact size as OEM rotors; they offer maximum performance with stock calipers. Computer Aided Design (CAD) is employed to determine the optimum pattern for any size...

The Nissan Titan and Armada come from the factory styled with the front-end suspension lower in height than the rear. For the truck enthusiast looking to level out the suspension and...