2.5" - 3" Exhaust Flanges

[Trozzle]

Stupid question, I know. I need to utilise a stock exhaust system for registration purposes, but I'm afraid I overlooked the fact front pipe is 3" and the entry flange to the cat converter is undoubtedly 2.5".

These won't be able to bolt due together the bolt spacing will they? How do I go about doing so?

[Trozzle]

Disregard, going to use entire stock turbo-back

[dori34]

it will bolt up mate.

[Trozzle]

Gonna use stock dump, front, cat etc etc anyway. Been advised by enough people that they think the bolts will be spaced differently, so yeah rather just do it all. Though I will measure to see beforehand - you might be right and save me some time

[blk94r33]

My car runs a 3" dump/front and a custom high-flow 2.5" cat/exhaust. The only difference I could see with the flanges is the distance between the bolt holes and the edge of the pipe, ie. the flange was the same just a different hole in the middle.....

[Trozzle]

Hmm interesting. That's what I was hoping - the space between the bolts is the same so they can physically bolt together.

[dori34]

Yes that's correct,

when u remove the 2.5" exhaust ull see a 3" black exhaust marks around the face of th flange lol