With that exhaust, it looks like the OEM style down pipe would bolt right up without having to modify anything. As for maximum power, I'd say you should be able to get to 650whp. I know the supra guys have made over 800whp on a single free flowing 3" exhaust. In this case though, bigger is always better. If you plan on doing this on a stock block, there is nothing to worry about.
Last edited by Boosted Performance; 11-30-2014 at 12:29 AM.
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