Long Tube Headers for 70-81 Firebird 326-455 1-3/4in Primary Ceramic Coated D570 Crown 75 Substrate Material Ceramic Air

75 Substrate Material Ceramic Air Tube Adaptable No Converter Quantity 1 Inlet Attachment Bolt-On Oxygen Sensor Location None Finish Stainless Steel Material Stainless Steel Series California Main Piping Diameter 2 Subtitle California / CARB Compliant Title California Direct-Fit Outlet Attachment Bolt-On Type Direct-Fit

2020-2023 JL Wrangler w/ Dana 44 Rear Axle w/ Standard or Trac-Lok Differential

2 V8 1972 - 1977 Plymouth Gran Fury 440/7

or additional hardware for final installation

power gains of 14 HP and 23 LB

Long Tube Headers for 70-81 Firebird 326-455 1-3/4in Primary Ceramic Coated D570 Crown 75 Substrate Material Ceramic AirOverview: 70 81 Firebird 326 455 Long Tube Slvr Ctd Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market. Features: 3 8" Thick machined flanges to prevent warping Precision formed long transition collectors and long tube design reduces