I've got the opportunity to buy an aftermarket backbox from a non-quattro TFSI.
From a bit of research I've discovered the exhausts are different for the different flavours of the A3 TFSI.
What I would like to know is how much different.
Is the physical back box the same? just the pipe that runs into it different? Any pics would be very helpful.
I'm pretty handy with a welder and fitted quite a few exhausts to cars that needed modification of some sort or another. But I'd like to start with something pretty close so I dont have to make too many alterations!