Cheers for the pics, mate!
It certainly does look like an exact fit (and a neat job). Do the holes at the bottom (the ones where you put the screws to bond the whole piece to the rear bumper) actually match, mate?
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Then bolt on a Milltek and enjoy!!! BRUUUUUUURR.
Just reviving an old thread here... I have the pd170 ml 2 Leon Fr and desperately want this Cupra r diffuser , you've said about bolting on a miltek exhaust; is it as easy as that? Would I be able to get a full turbo back miltek for mine to fit this? Because would the Cupra r exhaust fit my Fr obviously being a different car?
You could easily get a Cupra R exhaust to fit to your current FR yes.
Brilliant. Am I looking at just the back box or the whole system?
Back box would suffice, but you can go full system if you really wish.
So when going to buy one, would I be looking to buy the Cupra r exhaust even though it's not made for the Fr? Or do they do ones made specifically for the Fr that look like the Cupra R ones?
(Sorry for stupid questions)
Thanks I have asked so will wait for a reply nowYou'd just buy the R back box (it's a Remus made part) cost new from the dealers is around £350 I believe.
You may need some kind of reducer to fit it to your current FR system but that's something any exhaust place will have to hand.
For prices take a look at SERE motors, Dave will sort you out with a good price for the exhaust.
)I'd like to add and clarify the following:
- My FR was a petrol 2.0 TSI Leon
 - Milltek as of now does not offer a turboback solution for your 2.0 TDI 170, and the one provided for the Cupra R 265 does not fit your Leon as its downpipe part doesn't have a DPF delete solution. You'll do fine with just the catback part, though (which I totally recommend
 )
- If you're really considering to change your downpipe, you'll require a DPF delete file remap
 - The catback reference provided by Mr. Crafoo refers to the OEM Cupra R catback, and that one will require more adjustments to have it fitted compared to an aftermarket solution
 
Aside from that, you'll just require a diffuser.
So what aftermarket system am I best to be looking into getting?

what if i just had the back box would it fit then??
or would i need the full downpipe and DPF delete remap? (which im going to have anyway)
is the pipe not a different size (fatter) or anything with the exhaust coming off a petrol and going onto my diesel?You should be alright with just any of the aftermarket back boxes.
is the pipe not a different size (fatter) or anything with the exhaust coming off a petrol and going onto my diesel?