not much - my car is putting down a conservative 463 wheel with a catted DP - I've seen Alex with M340's on the dyno 100% stock putting down 470+ .
While I'm sure it helps with time to spool - I don't personally think with a stage 1/2 it's a drastic difference.
Last edited by chenry; 07-20-2020 at 01:57 PM..
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