There's a G37 that GTM tuned with an FI exhaust & test pipes, it's doable
He was hitting mid 400s whp I believe
A 3" surely is more recommended, I'm sure Tony can make a 3" exhaust for you if you needed it.. I've come to believe there's nothing that man can't do
Tony = God?
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'14 Viper GTS
'08 RB'd G37S - Sold
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