My 03's powertrain warranty is up at the end of May, is it worth it to re-new?(Extended Warranty) I have no mods so far as it was purchased a couple of months ago, I'm at 1600kms (994 miles). Has anyone even have to use there extended warranty? My Cobra is a week-end cruiser/garage queen, is $1800CAN for 3 years worth it? Thanks....any feedback is appreciated....