Hi ya Jon, yes mate the exhaust is round at end not rectangular has a reasonable throb to it,
The bill for it doesn't give a spec. I think the bill was about £1400 if I remember correctly.
The wheels are stainless rimmed with adjustment bolts all around inner part of wheel think bill was
About £1800 I paid over the odds on the car its self I think.£6700 04 3.2 auto 40k 2yrs ago but having the
£3200 none standard parts I thought it was a good buy & have been happy with that.
I have pics on here have a look on the side view. But I done know I'd they are genuine crossfire/srt manufactured.

Phil