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Might be a combination... normally, without pulling the battery, the PCM wouldn't adjust for the Black Ice-olator for about 100 miles. Uploading the Trifecta tune would have ended up reseting that though, so you probably felt some of both.... I still think you may be leaving some gains on the table in the upper RPM's because of the stock airbox with the blackwing though- time to get it on the dyno!
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