Brake discs STOPTECH or GiroDisc

I'm using a set of Girodiscs all around with the AP Racing calipers and it's a fantastic combo.

I have them on the Brembo front bbk on my e39 N5 and really like them for street use.

Have girodisks on my turbo 987.1 s, love them. Much better feel and braking performance

Yup. Love them on my 987.1.

I have girodisc’s on my 981 cayman, they are fantastic rotors, I started off with DS2500 pads but I used up >50% of all the pads in one track weekend at road Atlanta, I’ve got another event this weekend but I’m running DS1.11 this time around.

Absolutely love my girodiscs. I’m on DS2500s which its time for an upgrade to a more aggressive pad, but they’ve held up through quite some heat lol.

Went from OEM to Girodisc 350mm. All street, no track. By far the best upgrade I have done to my 991.2 C4.

Go with the Giro's and leave them on permanently. Better cooling and braking and cheaper to replace just the discs (2 piece rotor) on future replacement.

I use them. Hard to say if they’re better than stock but they’re cheaper

Since I installed the StopTech slotted brake rotors on my 2013 Golf R last winter, every time I've driven in the rain, after cruising long enough such that the brakes get "cold," as soon as I mash on the brake pedal, there is no stopping power whatsoever. Once the brakes "heat up" the response and stopping power are as what I'd expect. On a dry day, this does not happen at all - the brakes are firm and the stopping response is exactly what I'd expect.