MisterMac
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No, they’re not anywhere close to those gains and they’re actually being a little deceptive with their hp/tq comparisons.
Their 459hp/522hp vs 365hp/376tq is an untrue comparison because they are using Kias very underrated factory numbers. Their own dyno and tons of others dynos proved about 395hp/460tq=335whp/390wtq from a completely stock Stinger.
Their actual dyno comparison for the Stage 2 tune shows gains of only 59whp/56wtq and that’s with K&N high flow intakes. A piggyback Stinger with only intakes & 91 octane fuel gains 89whp/123wtq or 113whp/128wtq with octane boosters/e30. That’s about double the power gains at half the cost.
This is actually a very mild tune because Kagantuned’s Stage 1 ECU tune gained up to 94whp/134wtq with absolutely no other performance mods. He expects about 430whp+ after adding intakes, and his tune only costs $750(Kia Stinger GT 3.3TT Stage 1 Tune)
Don’t get me wrong, Pressertech is a very reputable high quality tuner, but the facts show that their tune is the most conservative & lowest powered options available at this time.
Sorry, but you are wrong. My stock whp was 316.