1-3/4 inch

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  • Flowmaster Scavenger Series Elite Header
    SKU: 814211
    • Long tube, equal length design with 1-3/4 inch primary tubes for balanced scavenging and improved throttle response, power, and engine efficiency
    • Stainless steel construction with a silver ceramic coating for maximum heat and corrosion durability
    • 3/8 inch thick flanges and 3.00 inch ball flange collector connections ensure a rigid, leak-free installation
    • Complete package includes collector, reducers, gaskets, and mounting hardware for an easier install
    • Purpose-built to replace restrictive factory cast iron manifolds on Ford Small Block engines
  • Flowmaster Scavenger Series Elite Header
    SKU: 814321
    • Replaces restrictive factory manifolds for improved throttle response, power, and engine efficiency on GEN 3 HEMI engines
    • Stainless steel construction with a durable Silver Ceramic coating for heat and corrosion resistance
    • 1-3/4 inch unequal-length primary tubes and 16-gauge tube walls for performance airflow and long-term strength
    • 3/8 inch laser-cut flanges with a 2.50-inch factory collector connection for a direct-fit, leak-free install
    • Includes gaskets, collector, and necessary M8 hardware to simplify installation
    • 50-state legal for 2009-2016 models under CARB E.O. #D-698-19 and EPA Memo 1A compliant for 2017-2022 applications
  • Flowmaster Scavenger Series Elite Header
    SKU: 814111
    • Long tube, unequal length design with 1-3/4 inch primaries and a 3.00-inch collector for optimized exhaust scavenging on GM Big Block engines
    • Protective Silver Ceramic coated finish helps manage heat and resist corrosion while looking great
    • Rugged 16-gauge tube construction with a 3/8-inch header flange for durability
    • Complete kit includes collector, reducers, gaskets, and all bolts, studs, and hardware for installation
    • Fits Detroit Speed & Engineering front sub frames with rack and pinion steering when big block frame stands and motor mounts are used
    • High Performance grade Scavenger Series Elite engineering from Flowmaster
  • Flowmaster Scavenger Series Elite Header
    SKU: 814116
    • Long tube, unequal-length design with 1-3/4 inch 16-gauge stainless primaries for optimized LS exhaust scavenging
    • Heavy-duty 3/8 inch laser-cut flanges and gasket-free ball flange connectors for a precise, leak-resistant seal
    • Silver Ceramic coated finish for improved heat management and lasting durability
    • Complete kit includes reducers, a 3.00 inch collector, and the necessary bolts/studs
    • Purpose-built for GM Gen III/IV LS engines, ideal for LS-1 and LS-6 swaps into classic Buick, Chevy, Oldsmobile and Pontiac muscle cars