You'll definitely benefit more from getting the tune after your mods. If money is not an issue to get it retuned later, then go ahead and do it now. I'd personally save the $300 or so and do it after my bolt-ons are on though.
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 '12 370Z + Sport | Stillen Gen3 Intakes | Stillen UD Pulley | Motordyne M370 | FI Exhaust | FI HFCs | 4.08 Gears | Uprev tuned
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