Hey guys.
just a quick Q. does anyone know the size of the flanges on the stnd R33 gtst cat
i have heard talk of it being 3" but i dont think so.
ive just got a custom 3" cat back exhaust and im looking around for a dump+front pipe......
i saw one on ebay (flying 3" frontdump pipe) it says it bolts onto the stnd cat
but if the flange on the front pipe is less than 3" i dont want it :throwup: