Emissions Disclaimer: This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles.. Factory Mounting Locations: These headers retain your stock catalytic converters and factory O2 sensor locations for a direct bolt-on installation that requires no cutting or modifications.. Mitered Collectors: 4-to-1 mitered merge collectors decrease turbulence and increase exhaust velocity. The result is increased power and improved throttle response.. Stainless Steel Construction: Mandrel bent 1-3/4" 304 stainless steel tubing improves exhaust flow for noticeable torque and horsepower gains.. Optimized Header Tube Lengths: Optimized tube length pulse control technology delivers improved flow and performance.. Heavy Duty Flanges: Thick, one-piece flanges prevent warpage to ensure a leak-free seal over the life of the vehicle.. Twisted Steel 1-3/4 IN 304 Stainless Steel Short Tube Header GM Silverado/Sierra 1500 19-25 V8-5.3L/6.2L. All aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.. aFe Twisted Steel 1-3/4in 304SS Shorty Headers 2019 GM Silverado / Sierra 1500 V8-5.3L/6.2L. Optimized Tube Length Pulse Control Technology Delivers Improved Flow and Performance. 4-to-1 Mitered Merge Collectors Decrease Turbulence and Increase Exhaust Velocity. 1-3/4" Mandrel-Bent 304 Stainless Steel Tubing for Unrestricted Flow. Twisted Steel 1-3/4 IN 304 Stainless Steel Short Tube Header. 100% Hand MIG Welded for Strength and Durability. Twisted Steel Shorty Headers. Shorty Headers

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov