Hello guys, new to the forum and new to VW in general. Ive recently bought a K reg VR6 with 114000 miles on the clock, is it usual for it to burble and pop on the overun and when changing gears at high revs?. It has a piper cone filter and stainless system and is sposed to be superchipped but I have no way of telling wether this is true or not? Would be handy if anyone could tell me a way of finding out wether its chipped, it does have a small exhaust blow at the flexi so im thinking this might be the cause? The tailpipe is sooty and the car allways smells of fuel especially when cold, havent