Well, finally today I got the opportunity to install my A8 brake upgrade. I got the ECS kit with Powerstop slotted/drilled/vented rotors and TT caliper carriers, plus a set of Hawk street ceramic pads. Total cost for it was $444 plus shipping.
The install is very straightforward - no black magic at all. If you haven't done front brakes on a B5 yet, don't hesitate and certainly don't take it to a shop. A lug wrench, a torque wrench, a 7mm allen socket, a 17mm socket, a pair of pliers for the spring clips, and a breaker bar are all you need (you might want some PB Blaster for the carrier bolts, plus a hammer to knock them loose). It took about 50 minutes of working time to do the whole thing (including a break for coffee).
Driving impressions are good - after bedding the pads, I tried some more serious stops in the 30-40mph range, and the car stops NOW. Part of the improvement is because my inner pad on the passenger side had separated from its mounting backer, and the pads were pretty crappy. But nonetheless, with everything on, bedded, and torqued, the car is dead-center smooth in braking from 75mph, and stops very easily - it's a pretty dramatic improvement over stock (especially considering the cost). I would definitely recommend the upgrade. Plus, they look sexy and fill out my 17" wheels nicely I imagine that if you were on stock 16" wheels, they'd look huge inside there, but even so, they seem to look larger in the 17s than the OEM brakes look in the OEM 16s. Can't wait for warmer weather to paint the calipers bright red to really make them stand out.
Here's a few pics from the install:
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99 2.8QM
"I've always kept an open, honest relationship with my daughter. Maybe that way she won't fall for the same sh*t her mother fell for." Robert Schimmel
Look good, have you done a series of high speed stops to where you really get them hot? B/c thats where I noticed the difference in mine. I had b6 S4 brakes w/ slotted & drilled rotors, and loved em.
You use A4 pads, because your calipers are the OEM A4 calipers. I ordered a street compound ceramic pad from Hawk in an A4 size. A8 pads won't fit as I believe the A8 caliper is larger as well, or at least a different design.
I haven't had any high-speed stops yet, but I did pop up around 75mph and hit them somewhat hard, and the car hauled down from speed very easily and noticeably more quickly than with the stock setup. I'm definitely happy with them, and now I'm gonna end up doing the rears afterall - I hate seeing how the front looks, and then looking at the puny rears lol. I was talking with someone on here recently about it (turbo kraut I believe) - gotta say it man, you're right about doing the rears too - I can't leave those stock rotors on there with these on the front - it looks like it's neglected that way
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99 2.8QM
"I've always kept an open, honest relationship with my daughter. Maybe that way she won't fall for the same sh*t her mother fell for." Robert Schimmel
you know i've been trying to figure out which way slotted/ drilled rotors go. ya you should def do the rears too. more braking power when you wanna do a full 180 in the snow ; )
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01.5 2.8qm
Custom CAI, 18" Hp Lightning on 245/40/18 Kuhmo Ecsta MX, CC mod, tinted tails, 2x 12" Jensen sub with a 300 watt Bazooka Amp, Asian driver....
Heheh, that's what the e-brake is for. And honestly, since the last hooligan snow behavior cost me two lowers, I'm probably not gonna be doing much more of that
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99 2.8QM
"I've always kept an open, honest relationship with my daughter. Maybe that way she won't fall for the same sh*t her mother fell for." Robert Schimmel
Looks really nice, and good review. I want to do mine this summer, but I have to upgrade my 15" stock wheels first... that's really all that's holding me up right now. I'd also like to buy 5 wheels, or at least pick up a 16" forthe spare at a junkyard just in case.
A8 brake upgrade is on the car:)
I imagine that if you were on stock 16" wheels, they'd look huge inside there, but even so, they seem to look larger in the 17s than the OEM brakes look in the OEM 16s. Can't wait for warmer weather to paint the calipers bright red to really make them stand out. 
