Mild steel tubing. 1-3/4" diameter. Comprehensive kit as a base for your own special 'one-off' exhaust system to allow you to fabricate your own exhaust system. Composed to fit H-D Shovel and the special 3-bolt exhaust flange system as used on Shovels equipped with S.T.D. Development heads. Complete as shown.
Fits: > 66-84 Shovelhead & Shovels with STD Development heads (NU)
