Hi all, i just got my test pipe the other day and when i put her on should i gut the other cats before it out. or just put the test pipe on. would gutting it help me out alot or not really?

Thanks

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Bryan Louis
I had a 3kgt...then some douche bag wanted to run into it.

I was under the impression NAs didn't have precats except in Cali.

Yeah, Bry, you shouldnt have pre-cats.

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~Joe - aka spider gear destroyer
'94 Stealth R/T
-Lightly Modded ;)

i have this on my exhaust.... 2 things that look like there braided one really small one and hten a longer one. then i have the actual cat. i just called it that haha i dont know what im talking about im a computer nerd ::pushes up glasses and tightens suspenders::

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Bryan Louis
I had a 3kgt...then some douche bag wanted to run into it.

Those are just flex sections in your downpipe to relieve some of the stress of all those rigid exhaust components. It allows your exhaust to flex a little so things don't start cracking and breaking.

If you don't ask, you don't learn.

so i just install the testpipe and im good to go i get 7-8 ponies.

The testpipe goes where the cat is right? cuz i looked under my car and it was the only thing that i saw that had flanges on it. so i sprayed them down with wd40

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Bryan Louis
I had a 3kgt...then some douche bag wanted to run into it.

Yeup. Do you have new gaskets? There's one that goes between the flanges at both ends.

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06 Blue EVO 9

hmmmm nope i dont have any gaskets......all they gave me was the screws. damn them haha. can i use the gaskets that are on there now if there is any?

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Bryan Louis
I had a 3kgt...then some douche bag wanted to run into it.

You can try re-using the stock gaskets, however they may be pretty crapped-up (so to speak). You'd really have to see when you pull out your cat whether the stock gaskets are re-usable. Personally, I'd just order the gaskets and install new ones. They only cost a few bucks. Your local mitsu dealer should carry them, probably about $6 apiece or so.

The reason you don't want to re-use old gaskets if they're crappy is they will cause you to have exhaust leaks.

exhaust leaks = bad ?

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Bryan Louis
I had a 3kgt...then some douche bag wanted to run into it.

I'd recommend just going and getting new Mitsu gaskets from the dealer. You'll have problems reusing the old ones unless you get everything lined up exactly the same as you did with the cat. With my test pipe, I got through gaskets about every 3 months if I buy the cheap ones from a parts store. The mitsu ones last me much longer.

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~Joe - aka spider gear destroyer
'94 Stealth R/T
-Lightly Modded ;)

Dealer? pft.

Take the old gasket to your local parts store (Checker, Napa...) and set them on the counter and ask for 2 new ones. Maybe cost you $5 total...

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06 Blue EVO 9