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Did you buy it from Science of Speed recently? If so, see if they might let you exchange. Used resale value on the JB4 plummeted post Ktuner release. Ktuner is very easy to install compared to JB4 and well worth it IMO. With a simple flash it now feels faster than my GTR that had full exhaust, intakes, upgraded injectors and a tune. Everything else on my NSX is stock. It really wakes the car up and feels like it should have come this way from the factory. I have access to 93 octane but I see you're in California. Gains are even greater compared to JB4 on 91 octane. Race gas and ethanol maps will also be released for free in the future as they are developed.
Did you buy it from Science of Speed recently? If so, see if they might let you exchange. Used resale value on the JB4 plummeted post Ktuner release.
Ktuner is very easy to install compared to JB4 and well worth it IMO. With a simple flash it now feels faster than my GTR that had full exhaust, intakes, upgraded injectors and a tune. Everything else on my NSX is stock. It really wakes the car up and feels like it should have come this way from the factory. I have access to 93 octane but I see you're in California. Gains are even greater compared to JB4 on 91 octane. Race gas and ethanol maps will also be released for free in the future as they are developed.
