Mine is a 2004 GT. We have a 3 mile stretch where I live and we always do top speed runs on our bikes and cars. The fastest speed so far was my buddy's turbo hayabusa (311 to the rear wheel) and he hit 214 mph (gps verified). We ran my Vibe just for giggles and it was done at 135. A speed governer k...

135 MPH. GPS verified. Modified factory airbox w/ K&N drop in, Unorthodox pulleys (all 3), Borla exhaust.