On 11/4/2011 8:26 AM, Lacki, Allan V wrote: > This past summer, I designed a simple 2-into-1 crossover pipe for my Corvair, (much like Matt Nall's "Big Singles" exhaust system), ...and you can see Al's system here: http://njace.blogspot.com/2011/06/cure-for-droopy-duals.html