Drag Pipes For 1948 - 1969 Generator Big Twin Engines With S.T.D. Cylinder Heads In Rigid Or Swingarm Frames axles and accessories The use of heat shields

The use of heat shields is highly recommended

and Twin Cams  (View pictured chart for what's included)

they will not fit rigid frames with mechanical brakes

Two styles to choose from including a redux of the ‘Old School’ Bell Tip trumpet mufflers

They fit both mid-control and forward control models

Drag Pipes For 1948 - 1969 Generator Big Twin Engines With S.T.D. Cylinder Heads In Rigid Or Swingarm Frames axles and accessories The use of heat shields1. 3 4 Drag Pipes For 1948 1969 Generator Big Twin Engines With S. T. D. Cylinder Heads In Rigid Or Swingarm Frames These 40" long Slash Cut drag pipes are specifically intended for use on engines with Panhead or Shovelhead lower ends and STD cylinder heads. Because of the unique 3 bolt exhaust flange incorporated into the S. T. D. heads, they require special exhaust systems. We have taken some of our most popular drag pipe sets for 19481969 rigid and