DynoMax Header-Back Exhaust Pipe Kit - 2-1/4 in Pipe Diameter - GM Fullsize Truck 1973-87 89003 Heaters 7 x 8-1/2 in Legs

7 x 8-1/2 in Legs

and is sold in five different inside diameter sizes

0 Throttle Bodies

Hurst Quality & Heritage

Can be used with Ram Air IV heads

DynoMax Header-Back Exhaust Pipe Kit - 2-1/4 in Pipe Diameter - GM Fullsize Truck 1973-87 89003 Heaters 7 x 8-1/2 in LegsDynoMax Manifold Dual Kit 89003 2. 25 in. Tube Size Includes Reducers Exhaust Pipes 16 Ga. Tail Pipe w Side Exits Hardware Does Not Includes Mufflers Mandrel Bends For Better Flow 100% Aluminized For Sharp Appearance and Long Life Longer Lasting and Sharper Appearance Give your vintage vehicle's exhaust system an upgrade with a DynoMax dual header kit. Designed to attach to OE manifolds, it features a special reducer that allows for a variety of