From what people explained to me when I first started with bolt on upgrades, the gain decreases as you put in more an more parts because the system is getting more efficient. Plus, although the car adjusts itself, the best way to take advantage of the new parts is to get a tune.
My 2012 Sport made 319/309 rwhp on two different types of dynos. This is with a Stillen Gen 3 intakes, high flow cats, new cat back exhaust, and an UpRev tune.
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12 370Z Sport | AEM | Stillen | SOHO | Motordyne | Fast Intentions | ZSpeed | Z1 Motorsports | SPL | Whiteline | Hotchkis | KW | NM Imports | Goose Tuned | ECUTek |
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