Well HFC will restrict flow, so will a N/A 2.5" exhaust, which will all be replaced by 3" piping for better flow and performance
Your N/A headers will also have to go for the Turbo header
Stilllen Gen 3 Intakes will obviously have to go.
Pulley? Not sure that would be safe on a TT setup but don't quote me though but even if it were, I'd say 5whp throughout the powerband?
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'14 Viper GTS
'08 RB'd G37S - Sold
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