aFe Twisted Steel 1-3/4in 304SS Shorty Headers 2019 GM Silverado / Sierra 1500 V8-5.3L/6.2LEmissions 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. 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 100% Hand MIG
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