i know when my 2+2 hits about 6k, it sounds like its gonna blow the pistons out (not so bad now that i have aftermarket exhaust). i always hear you guys talk about shifting at incredibly high rpms, and was wondering if you drive with them that high. (i do shift high when i racing or whatever, right before redline, but i try to drive around 2.5-4kish). i thought you could wind out the motor if you keep the rpms up too high for too long. i guess im just dumb