197/200 diffuser

I plan to put a 200 diffuser on a 197, is it a straight swap?

also, would a milltek exhaust or ktec exhaust for a 197 need modified to fit the 200 diffuser?

thanks
 
It's a straight swap. Don't tackle the bolts around the centre of the diffuser, just the ones on the outside. The centre ones just hold the heat shield in place.
a different exhaust will fit, the 200 diffuser comes with collectors to meet and go around the exhaust tips.