My 2 cents about great brakes. I live on a 5 mile hill that represents an autocross course. Here it is...
Running front vented rotor is important in my situation, my rabbit runs 90 cabrio pads and rotors. Pads are the same, but half thickness. Mt jetta runs the large 88 gli pads and rotors and spindle/caliper bracket. But the cabrio is direct replacement (with vents).
Rear - I had gli pads and rotors ebrake on my last jetta and always had problems. either the slides froze, ebrakes hung up, rotors delamed...
I run Drums on back. Properly adjusted they rock. Really I hammer this thing and never smoke brakes any more. The trick is to back off e-brake cables remove one lug nut, stick pick thru lug nut hole, into the hole on the brake adjust self adjust trangle where the small spring is hooked. Now by turning the drum backwards it will pull it down and bring proper preload to shoes. Let the drag just a little. Now adjust e-brake
If you still require more rear braking, For those who like to get it to slide out, remove weight proportion valve under rear pass. seat. Hope this helps.
The brake adjust trick is cool. No need to remove tire. Use for unadjusting to remove drums with ridge. Grind of ridge! It saves time later.