"El Mongrel" '65 Formula S Restomod

old tired rebel said

Your Exhaust system looks great.
2 questions..

1.How well does your new system flow?

2. Why not run dual exhaust?

Click to expand...

He wants it to look some what stock remeber:glasses8: Nice build by the way:rock: How much do you think the headers improved over the original 273 manifolds?