I've had to upgrade getting a new exhaust to URGENT, as i got under to look at it today (lost the burble and strange knocking noise) and the exhaust has almost totally split from the backbox now. Luckily there is 2 hangers on either side of the split, so the exhaust won't hang down. But need to get a new one ASAP, i've also decided to wimp out on the RCM exhaust because i woulden't be able to get another system when the police tell me to change it lol.
So i'm currently looking at getting a Blitz nur spec, i might go up to "japperformanceparts" next week as there advertising used nur specs for £375. unless you know somewhere cheaper?