I just bought and installed a Blitz nur-spec 3" catback. I didn't realize before I bought it that it necked down at the cat.
So I guess my question is, am I stuck going with a 2.5" dp and cat/tp?
If anyone has a Blitz nur-spec, what are using for other exaust components?

 

I had a 3" Ti Test pipe on my IX along with the Blitz Downpipe and Nur Spec... everything fit fine on my JDM IX bumper and US Spec bumper. It cleared the tie bars underneath just fine, nothing rattled or hit.

Ed

 

you can go with any 3 inch downpipe that will mount up to the cat (helix, perrin, etc.) you can also use any 3 inch testpipe that can mount to the stock downpipe (perrin, ultimate racing, etc).

 

Thanks guys.
I had talked to a few people that said since the cat necked down, and the tp is true 3", there would be a little "step" around the edges that the exaust would hit. If it was a smooth transition, that's one thing but this won't be.
I just needed to hear from people who had actually used a similar setup.