I'm going to build a set of Lakester headers for my coupe. Anyone have a source to pick up a pair of stainless steel megaphones that would be about 24" to 30" long, and taper from 3 1/2" to 1 5/8"??? I've allready got some stainless steel 1 5/8" mandrel bent stainless tubing to make the pipes from the flanges to the megs....