Factory Five Racing '33 Hot Rod Assembly Manual page 296

Attach the engine shorty pipes and mufflers as directed in the manual.
Insert the front tube ball end through the frame from the muffler side.
Bolt one of the ball flanges together around the front pipe ball.
Attach the front tubes of the rear exit exhaust to the mufflers but do not tighten the clamp on the tube.
295
www.factoryfive.com 508-291-3443