prefacelift

My 2016 Pre-Facelift RS3 with the CZGB engine with 43K miles has started developing an issue when accelerating under full throttle. At 5k rpm there is a noticeable hesitation and sometimes the revs dropping to 4k with the exhaust popping as if the accelerator had been lifted off. When trying...

Just wondering if anyone has fitted any after market exhaust tips? Mine are just the steel ones and I don't think it gives the right finish to a nice car so looking for recommendations. They're going to be going on a 2009 2.0 tfsi quattro.

Can anyone confirm what size the centre bore size is for the 2017 S3 sportback and is it the same size as the pre facelift