Very nice! My TT-RS caliper with pads and brackets weigh 12lbs and the ECS 2 piece 345mm rotors are 18.5lbs. Fits nicely under 18” wheels.
So I saved roughly 17lbs per front corner just from the brake upgrade and the braking is soo much better. Along with the 11lbs per wheel savings, its 28lbs savings per front corner, haha… Nothing wrong with a 56lb reduction off the front end either..
Best of everything, less unsprung weight, less rotational mass with no sacrifices other than a lighter wallet..
Next up is the passat control arm and spindle upgrade to shave a few more lbs of unsprung weight from the front of the car…
FYI, the stock TTRS rotors are crap, at 9500 miles dealer pronounced them DOA. Pads are 1mm from throw away and rotors are cracking. Granted, I have tracked the heck out of them (Sonoma, Laguna Seca, and Pueblo and High Plains in CO) but seriously it's an RS, should be able to take it. Would look into a decent slotted solution from the aftermarket unless you just like the look of the drilled.
I am running this same caliper and rotor on my Red R , I have Neuspeed RSe12 18x8 ET45mm rims and they clear but it is real close. I put in a 3mm spacer just for some extra clearance insurance. I am looking to replace the Audi 370mm rotors because as stated above they don't last long.
I specifically chose to run OEM sized rotors with the TT-RS calipers because of the known issues with the crap OEM TT-RS rotors. It's only a matter of time before they need pre-mature replacement..
You can change to virtually any rotors you want to as long as you have the correct caliper bracket.. Golf R OEM rotors at 345mm and are more than adequate even for tracking, especially if you go the extra mile with 2-piece rotors, stainless lines, good pads and a brake fluid flush.