Hay all. I've done a fair bit of research on exhaust setups. Wat size etc. I've read through a fair amount of threads and Im just looking for a straight answer on this setup I'm looking at doing. I own an aus spec 6th gen maxima 3.5l. I've got some custom made extractors getting sent to me from cattman. I'm just looking at Wat size high flow cat and Wat size catback. I've heard good things about 3.0inch and good things about 2.5inch setups. Im just not shore on Wat size to go?. I'm obviously looking for the best gain in performance. Cheers Kurt.

 

Definitely 3"

 

3''

 

Would a 3inch cat be recommended or just leave it to a 2.5inch? So would there be a definate gain with a 3.0inch catback over a 2.5inch on a stock engine?

 

WarpSpeed can offer you a 3" Metallic substrate Cat, I've got their 2.5" Metallic substrate which is about 7 yrs old now with Cattman Headers (extractors) and a 3" Cattman catback.....Or you can got with a 2.75" FastCat from Cattman as well!

 

Wats recommended for the size of the cat 2.5inch 2.75inch or 3inch?

 

I like my fastcat, I think it's a 2.75

 

I'd go 3" cat.

 

So there is a definate gain with headers and 3.0" catback over headers and 2.5" catback on stock 3.5l engine?

 

3" BRM

 

Another exhaust thread???

 

 

No good?

 

My last question i need answered and ill be on my way.

Is there a definate gain with headers and 3.0" catback over headers and 2.5" catback on stock 3.5l engine?

 

Don't be mad cuz you don't HAZ one ....

OP 3.5'' or bust

 

Yes.

 

 

Cattman or Custom FTW...

 

Yes.