BruceTF135

Obviously, we haven't heard the car. You say it has a Piper exhaust. I imagine this is a 'sports' exhaust so I would also imagine that whatever is going on is the same as with my TT7 . It pops and burbles at tickover and also on the overun in 1st gear. It occasionally makes a more enthusiastic pop very occassionally when I give it some welly. It never bangs enough to scare anything. I never noticed any of this with the original exhaust. The lads around my way pay good money to get this effect on their Corsas.

I'm not looking for a fault on my car because I don't think there is one. Yours is probably fine too. Maybe you could upload a YouTube video of yours so we can make a more informed judgment?