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The baseline of the N54T 1M engine on the more conservative Mustang Dyno is just shy of 300hp and about 344 ft/lb of torque.
In our initial testing we were able to achieve 323hp and 379 ft/lb all on stock hardware, down to the stock paper filter. That +23 hp and +35 ft/lb, a very decent increase over the BMW Performance Tuning. We plan to spend a few hours to finalize the stage 1 flash with a possible race fuel map in a couple of weeks.
As many of you may already know, the stock N54 air box is restrictive, and more so at elevated boost levels. Back in 2007 when we first dyno our N54 335i on a Superflow dyno, by simply taking the lid off of the stock air box net about 7 hp on a stock engine with stock tune. On an engine with elevated boost levels, more hp can be had.
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