aFe Twisted Steel Headers - GM Silverado/Sierra 1500 02-13 V8 (GMT800/900)

• 1-5/8" 16-gauge 409 stainless steel mandrel-bent tubing for unrestricted flow.
• 4-to-1 formed collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response.
• Optimized Tube Lengths Improve Flow and Performance.
• 100% hand MIG-welded construction ensures optimal strength and durability.
• Potential for up to 21 horsepower and 26 lbs. x ft. of torque when combined with aFe's y-pipe (P/N 49-44050)

These headers retain your stock catalytic converters and are a direct bolt-on installation which requires no cutting or drilling to provide a hassle-free installation.

4-to-1 formed collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response.

3/8" thick 1-piece flanges prevent warpage to ensure a leak-free seal over the life of the vehicle.

Tube lengths are optimized for true pulse control technology which improves flow and performance.

aFe headers are engineered and manufactured in our Corona, California manufacturing facility.

Also Fits: GM Gas SUV's 02-13 V8 (GMT800/900)

Note: This header is not currently CARB exempt and is not available for sale in California or for use on any vehicle registered with the California Department of Motor Vehicle.