While doing "spirited" driving...what RPM are you guy's shifting at??

Guess what I'm trying to get at is..the powerband on our cars, what RPM does it peak at? (peak HP)

NP-T Speed Factory Intake
Magnaflow Race Canisters
NP-T Sniper Intake Pipe
Optimized 4.6 GT TB
Vision Driving Lights
Lo-Tek Pillar Pod
FMS Blue Wires
Clear Corners
Short Shifter
Side Markers
Bullit Door