Just some feedback after using the Redline D4 ATF for about 3 weeks

the shifts are definitely firmer and quicker, I suspect it's from the friction modifier content differences (ie: this would have less).
Otherwise the car seems to be a bit quieter, but that could be the combination of Redline racing engine oil and this tho.

Also my tranny filter had arrived today, i'll have that installed along with the pulley soon.