Stock cat replacement with High Flow Cat

[jaeyon]

Hi all,

im looking at replacing the stock cat in my OEM system with a high flow item from Metal Cat.

does anyone know the size that i need to get? is it 2.25" or 2.5".

anyone else had this done and experiences?

John

[eriktufa]

It's 63.5mm which is 2.5 inch I believe

[JDM-EGG]

2.5inch would be the one :)

[jaeyon]

awesome thanks guys

[jaeyon]

anyone know the difference between a 100 cell and 200 cell cat? does the 100 cell offer better performance? any disadvantages with a 100 as opposed to a 200?

[vincikwan]

100 cells will be more free flowing compared to 200 cells

[JMSBND]

I could see straight through my cat while I had it off doing the single exhaust and header upgrade. I did think about a cat upgrade at the time, but with only 40k on it I am leaving it for now.

A cat will get less free flowing after time and wear so I guess thats when I will upgrade but from what I can see, the cat is great from factory.

The S2000 is really well engineered out of the box, so chasing gains is always tricky. Good luck!

[saikou27]

also u may want to check if that 100cell cat is legal. some are approved some not

[jaeyon]

also u may want to check if that 100cell cat is legal. some are approved some not

its a metal cat one which i believe is street legal. i have however emailed them asking for confirmation

[Age_S2000]

how much is the cat and what brand. i can get a magna flow high flow cat for $270

[fto222]

Well while people are here can others who have after market high flow cats put up what they have and if it's more free flowing then the OEM and price and brand please.

I'm thinking of getting one as well but not sure what's a good one to get in Aust.

I once had a test pipe in for a little while and it was such a great feeling....
I know high flow cat won't give you that much of a difference but want to get close to it legally as possible.

Thank you all in advance....
:)