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-   -   Drivetrain Catless Downpipe Options? (https://www.northamericanmotoring.com/forums/drivetrain-cooper-s/164952-catless-downpipe-options.html)

M3This 03-10-2009 12:48 PM

Catless Downpipe Options?
 
Hey guys I did a search and read through some threads but I was wondering if this was the only catless downpipe?

https://www.northamericanmotoring.co...pe-fitted.html

Also I have a 09 JCW car ... will these downpipes still fit?

What other options are out there???

AkFarina 03-10-2009 12:53 PM

you could use the exhaust depot one it cuts out both cats. but it throws all sorts of cels. the one you metioned above only throws one if that. i just ordered that one

tintman718 03-10-2009 01:06 PM

The ragazzon is a direct fit to your stock exhaust. The exhaust depot dp has to be welded on. As far as throwing codes, there is no difference between the two because the secondary cat is after the second O2 sensor. I'm currently throwing code P0420 with the Ragazzon. I will be trying out the non-fouler method this weekend to see if it helps at all.

MiniPOLACK 03-10-2009 01:11 PM

Tintman , how long do you have your Ragazzon for? how long did it take to throw a code? so far , im pushing it for a week with the fouler and everything is OK

M3This 03-10-2009 01:16 PM


Originally Posted by tintman718 (Post 2695243)
The ragazzon is a direct fit to your stock exhaust. The exhaust depot dp has to be welded on. As far as throwing codes, there is no difference between the two because the secondary cat is after the second O2 sensor. I'm currently throwing code P0420 with the Ragazzon. I will be trying out the non-fouler method this weekend to see if it helps at all.

I used the fouler method on my old Evo's test pipe and it worked great.

M3This 03-10-2009 01:18 PM

So there are two cats on the car?

Does the Ragazzon only remove the first one? Ideally I would want something that removes both and that you run a CEL fix on like this:

http://rissracing.com/alpha/?page_id...3&product_id=7

AkFarina 03-10-2009 01:24 PM

what is the non fowler method

M3This 03-10-2009 01:34 PM


Originally Posted by AkFarina (Post 2695264)
what is the non fowler method

Here you go:

http://www.energeticforum.com/renewa...n-foulers.html

:thumbsup:

MiniPOLACK 03-10-2009 01:36 PM

cat back exhausts remove the second cat, and downpipe removes the first

JAceMin 03-10-2009 02:57 PM


Originally Posted by MiniPOLACK (Post 2695279)
cat back exhausts remove the second cat, and downpipe removes the first


Aaaah:

Cat-Back ----> from the cat back, so it leaves the cat, hence cat back.

ENGINE 58 03-10-2009 03:17 PM

how is the noise without the cats? highway drone etc?

M3This 03-10-2009 03:36 PM


Originally Posted by JAceMin (Post 2695377)
Aaaah:

Cat-Back ----> from the cat back, so it leaves the cat, hence cat back.

Any photos of the 2ndary cats???

tintman718 03-10-2009 04:07 PM


Originally Posted by MiniPOLACK (Post 2695249)
Tintman , how long do you have your Ragazzon for? how long did it take to throw a code? so far , im pushing it for a week with the fouler and everything is OK

I've had the downpipe for almost a month now. My car will throw a code within a day. It takes two complete drive cycles to trigger a cat code.

Did you use two non-foulers? (one being drilled and one not?)
That sounds great that you made it a week without a code. Honestly, if you made it that long, it's very unlikely it will in the future.

MiniPOLACK 03-10-2009 04:11 PM

I just used one non fouler on the bottom sensor ( after cat ) , that fouler has one hole on the bottom. i picked it up in pep boys. i think one package contains 2 pieces.

tintman718 03-10-2009 04:21 PM


Originally Posted by MiniPOLACK (Post 2695471)
I just used one non fouler on the bottom sensor ( after cat ) , that fouler has one hole on the bottom. i picked it up in pep boys. i think one package contains 2 pieces.

So you didn't drill it? I'm guessing the reason people with other cars used two is because their O2 sensors are deeper then ours.

MiniPOLACK 03-10-2009 04:28 PM

3 Attachment(s)
no its not that. people want to put the non fouler on the first sensor ( pre-cat ) which is way thicker and it wont fit that hole. in a first place, you dont need the non fouler on that sensor .

Attachment 40592Attachment 40593Attachment 40594


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