The novelty factor is still there, so not got a problem with cabin noise, more focused on driving through all the car parks and tunnels I can find.
Apart from that the car's pretty standard, didn't notice any backfire (will listen again later).
Planning on booking it into abbey for the uprev tuning next month
@4 sec on the standard clip
Just had a listen, I hear what you mean...reckon it was just a bit of unburnt fuel probably because the car was still cold.
I love that sound though, get it with my haltech plugged in vroooom 'pup' 'pup'