Those are pretty good numbers but I agree, I think they are lower than what they are...
Did you do anything with pistons and connecting rods... that is my main concern, that I will bend a rod... I was able to snap my front axle on a pretty soft launch, and that is when I went to the Raxles...
I had looked at the Tyrol SMIC, but the cost was too high for the improvement... I had an SMIC from Kerma, but it did not fit right, and had to send it back... I think you have more room than I have with your new bumper...
We kept the stock snorkel as we did not see any improvement with an engine bay intake...