Reply To: I'm making Re-cored mufflers for Vision and Cross bikes!

[Mark]

Many years ago KevixX (Cross) posted that cutting off the Tri Oval baffle, leaving a 3″ stub on the end Y connector made them sound great. Though I never saw a before and after dyno graph and wouldn’t know if the Tri Ovals would then lose one of the best attributes; the “Table Top Flat” torque curve.

I found a nos set of all black Tri Ovals I installed on my Hard-Ball, along with a Maximus remote tune. Then I found another nos all chrome set of Tri Ovals I’ll likely put on my CCT. My CCT went from the original all chrome Tri Ovals, to a set of Raging Cajun Medium Low & Throaty. Then to a set of Raging Cajun Adjustable DDT’s. And now, I’ll likely go back to another all chrome set of Tri Ovals.

Does my PCV tune need to be adjusted going from the Raging Cajun mufflers back to Tri Ovals? I did have it adjusted when I went from the Tri Ovals to the Raging Cajuns. Though I don’t know how much of an adjustment was done to the PCV tune.

Would I need another re-tune on the PCV going back to Tri Ovals? In addition to t Raging Cajun mufflers, the other items on the CCT are Lloyds DR cams, Lloyds timing wheel and a Lloyds air filter.