hi there i have just bought a 172 2000 plate and i love it but when i give it some stick mainley in 1st and 2nd i get a like flappy noise from the exsaust its not a hole as i have checked.could it be the cat.i have a standard exsuhst.i only get it when iam giving it some.my car has done 55,000 miles and it had the cambelt done what else is there i should check and get done on the car. many thanks also has any one got a 172 rear bumper in silver ???