ebay extractors around $180 new
hi flow cat $150,, (no point puting bigger exhaust if using std cat converter)
exhaust shops in brissie quoted around $200 from cat back,,
i fited my extractors and drove to exhaust shop (ear pearcing drive) and they charged me $185 2" from cat to back,, and tucked the muffler up out of the way.
$880

not fited thats ridicoulos