That onboard is from a Porsche 911 GT3 R (regardless of the Tik Tok caption saying Merc), they’re positively one in all loudest GT3 automobiles. The whine you hear, particularly in greater gears / RPMs, is because of the straight cut gears in the gearbox.
In sixth gear, the Porsche simply transitions into this all-encompassing EEEEEEEEEEEEEEEEEEEEEE noise, and it is incredible! Every GT3 automobile has its personal completely different sound and quirks, just like the decrease pitched rumble and whistle of the AMG, the turbo spool up and blowoff from the Ferrari, or the excitement of the air compressor throughout Audi / Lambo downshifts.
The Porsche is completely infamous for the excessive pitched scream of that straight 6, although – it is inconceivable to not acknowledge!