I would have to disagree with the 109 max on stock cuz i got my GTP, when it was stock, to 115 up a hill before I backed off. Unless my speedo is off by 6 MPH then they can get higher than 109.
Mods:3.4 pulley + recommended mods/ F-Body Front & rear GXP Calipers/ GMPP handling upgrade kit + otto strut brace/ SSC Gen 1 Springs on GR-2 struts/ Verde 5 18x8 Rims