Quote:
Originally Posted by 335iCoupe1382
What are some good HP yielding mods for the M3?
Just curious to hear from some experienced mod experts that have gone this route.
I know the ESS 550 S/C kit is around $7K and yields an additional 130hp over stock, which is probably the best high HP mod route, but there is something cool and unique about an N/A M3 with a full exhaust, tune, etc...
Is 480-500hp attainable N/A?
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Almost anything is attainable. All depends how much you want to spend. Look at the Dinan 4.6L stroker build.
Within reason, the single biggest power gain will be from eliminating the primary catalysts.