JDM dyno'd a P51 before the recall tune and after. The recall tune yielded 510rwhp. They will have to chime in here on the specifics.
Here is a link to the thread if it helps.
JDM Dynos P51 - Major Power!!!
__________________
P51A off-road exhaust & updated ROUSH tune 
http://www.cardomain.com/ride/574408/3
360R 5,800k, Jack's sig on dash, 380 pcm, 2.8 pulley, MAC CAI, Flowmasters, S3 suspension, MAC c/c plates, Roush short throw
|