we had a mini dyno day at SDCE in Warwick. Dyno'ed on a DYNOmite dyno.
05 mustang gt pypes o/r x pipe jba axelback
everything else is stock
most all stock 3valves put down about 243 to the rear wheels, heres my #'s;
peak RWHP: 270.6 @ 5600 RPM
peak RWTQ: 285.1 @ 4450 RPM
my 05 gt made 265 stock.with a jlt cai,xcal-2,o/r xpipe,steeda udp. it made 307 rw-321 rwtq so i would say 243 rw is way off
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05 gt best tme N/A 12.27=109,on the jug 11.52=112.75.wifes 07 gt stock 13.93=102.32 with 3.31's and 87 octane,added jms cai,o/r xpipe,x-cal2,373's 13.1=103.75 with 17 inch et streets bias ply.new times coming summer of 08