Drag Pipes For 1970 - 1984 Shovelhead Engines With S.T.D. Cylinder Heads

1-3/4" Drag Pipes For 1970 - 1984 Shovelhead Engines With S.T.D. Cylinder HeadsThese 40"-long Slash Cut drag pipes are specifically intended for use on Shovelhead engines with S.T.D. cylinder heads in rigid or swingarm frames. 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 pipes and modified them accordingly, and then put slider channels on them to ease installation. Heat shields for the rear pipes are highly recommended. 730-40STD Staggered dual drag pipes with an over-the-transmission rear pipe for all 4-speed FX swingarm frames with kickstart ONLY. Will not fit with the FXE battery 730D40STD Shotgun drag pipes for rigid frames with hydraulic brakes and kickstart ONLY 730D1-40STD Shotgun drag pipes for swingarm frames with kick or electric start and swing-out kicker arm. Clears the rear shock and the FXE battery box. Use a Paughco #718J hanger bracket to install the rear