Originally Posted By: _Jimmy_
Here it says 60mm
http://www.millteksport.com/exhaust.products.cfm?variantid=171

I measured the milltek cat-back I've not fitted yet and it's 60mm outer diameter. (The bore itself is 57mm)


Ahh ok, so that's outter diameter...

You would think so aye, but one of the pipe suppliers reckons id have to ship it in from the US and noone has the tools to bend it in NZ...