"high RPM"
"4k"
Is this a troll? Redline is 7k, and any concern about overrevving on a downshift would be for the engine (valves, meet pistons - now kiss!), not the transmission.
Thank you for posting this! As a big guy myself, every inch of seat adjustment in my supra is at a premium. Got the bar installed tonight (not at all complicated, but I always hate prying off trim pieces and there isn't much room to maneuver back there) and am happy with the result.
FYI for...