Best off using your voucher for something else and buy reputable brakes.
PMSL at the amount of grooves on the grooved discs. Your pads would be worn away after a few heavy stops
 
the fact that he doesn't know the size of cupra R discs is a worry.pay cheap,pay twice.
see bill for cupra R discs. nuff said
 
I'm running these front and rear as above really no problems so far, had them on about 3 months now. Bought them as a set with ebc redstuff nice combination.
 
I baught cheap grooved discs a while ago for my laguna and they caused me loads of problems. They were warped and made the front end vibrate bad whenever i braked over 40mph. Cost me a fortune to put right. DONT TOUCH THEM!!!!
 
igot cheap ebay disks on the back of my car,

But i went for EBC ultimax on the front but only cause my friend gets a 50% discount.
 
I bought cheap grooved discs a while ago for my laguna and they caused me loads of problems. They were warped and made the front end vibrate bad whenever i braked over 40mph. Cost me a fortune to put right. DONT TOUCH THEM!!!!

A bit harsh,:blink: treating all cheap brake disks the same especially as there have been good things said about the ones mentioned here, not all reasonably priced things are crap.