I don't know what dyno Cobb is using, but the numbers seem kind of high. I've heard that Dynojet originally based their algorithims off of a Yamaha bikes advertised HP. I think Dynojet numbers are probably stilll overstated because nobody dislikes a dyno that consistently gives higher numbers, and that probably gives dynojet a market share adavantage.
Look at the Cobb dynos carefully.
The 234 HP run (the highest HP) also has the lowest boost pressure.
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