If your going to continue to upgrade the motor in the future, sooner or later your going to need headers and a good exhaust system anyway - its just a matter of when your going to spend the money. On my car my Mac shorty's made a difference that could be felt and even very noticeble when I added the Hi-Flow Cat H-Pipe and Flowmaster cat backs. IMO, exhaust upgrades on these cars are definitely not a waste of $$$.
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1965 K code coupe - numbers matching - restoration ongoing. 1987 LX notch, stock heads and intake, 3.55's and typical bolt on's 13.89@100.25
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