FOR 1966-1991 Chevy GMC Truck Long Tube Headers 2WD/4WD C10 C20 K10 K20 - Ceramic Coated Performance Upgrade

⚙️ Precision 2WD/4WD Compatibility Laser-scanned tube geometry fits factory engine bays of 1966-1991 C10/C20 (2WD) and K10/K20 (4WD) trucks, including Suburban/Blazer models—zero clearance issues with stock components. 🔥 Thermal-Efficient Ceramic Shield Triple-layer ceramic coating reflects 90% of radiant heat, lowering engine bay temperatures by 50% to protect wiring and fluids, while resisting chipping and salt corrosion. 🌪️ Dyno-Tested Flow Dynamics Mandrel-bent 1.75" tubes + 3" collectors increase exhaust velocity by 30%, boosting mid-range torque for towing and hill climbs without sacrificing low-end response. 🛡️ Rugged 304 Stainless Build 16-gauge T304 stainless steel with TIG-welded joints withstands impacts and -22°F to 1,800°F thermal cycles, outlasting factory manifolds 3:1 in corrosion tests. 🔧 Simplified Bolt-On Installation Pre-drilled flanges + included hardware utilize factory mounting points—complete with basic tools in 90 minutes (no welding/modifications required).