[HeavyK20]

I am looking at some Dynomax headers for my C20 350/4-speed. The specific Dydnomax part #'s are 85003 or 86003. Has anyone used these with a manual transmission? If so where there any problems? They do have a footnote in their catalog that says the clutch linkage may require modificaton, I'm not sure what that is all about.

Thanks, Eric