Gibson Stainless Performance Header Exhaust for Silverado Yukon XL Denali GP500S

Performance Header Exhaust

Every Gibson Performance Header is Dyno-tuned and engineered to deliver more usable horsepower and torque at low and mid-range RPM highway speeds. Improves engine's ability to breathe and cooler operating engine temperature. Designed as a direct replacement for the factory manifolds, using the stock crossover pipe. They are well suited for lowered and raised vehicles, street and off-road. 50 State Street legal. Meets EPA and CARB requirements. Will not affect the factory warranty. No welding required. Uses OEM style connections. 3/8" Heavy Duty Laser Cut Port Flanges- No Warping or Leaking. Premium Gaskets and Hardware included. Backed by a Lifetime Limited Warranty.

• Tubing Diameter: 1-5/8-in. Stainless 16-gauge mandrel bent tubing.
• Header Features: Short Tube Style Header; Direct Fit, Bolt-On; Heavy duty laser cut flanges; Premium gaskets and all hardware included; No Welding; Attaches to the OEM crossover pipe.
• Footnote: Emission Compliant Carb EO# D-411-13
• Warranty: Lifetime Limited Warranty