Fabrication Everything From JBwelded/Fluxcored downpipes to Equal length SS Manifolds.

changed out my cat with a high flow

Old Nov 27, 2007 | 02:25 PM
  #1  
2wickedtoyz's Avatar
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Default changed out my cat with a high flow


Pipe
Your cat is a restriction on your exhaust system

solution: put in a high flow cat...but wait your broke like me...what do you do?

weld your own

materials:
2.5 inch pipe about 2 feet
header paint of your choice

tools:
welder tig/mig/arc/torch(i have a mig)
14mm wrenches and socket maybe even that tool that gets stripped nuts/bolts out
an angle grinder with a cut off wheel x2

1. jack the car up and secure it in place.
2. remove the cat from the car.
3. lay the cat next to the pipe to get the approximate length the pipe should be
ex:
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4.now that you cut the pipe to what you need. cut the flanges off the cat.
5.bolt the flanges back on the cars exhaust system.
6.try to fit the pipe in place if need be cut it down a little.
7. now here comes the welding. tac it in place in several places.
8. remove it from the car and weld all around to keep it secure and leak free.
ex:
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9. when your satisfied paint it if you wish (all i had was gold paint)
ex:
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10. put it back on the car and tighten it using new bolts.
11. turn the car on to make sure there are no leaks.
ex:
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12. lower car and go for a test run.

my car has a nice hollow tone to it like a g35 or murano with a borla exhaust. no raspyness and if need be i can replace the cat.

my car spec:
1994 toyota camry v6se 1mzfe 6coilpacks SRI two cheapy mufflers that are about 24inches each.


edit:
as of the moment my check engine light is on but it's for other reasons but yeah it will throw another code
Old Nov 27, 2007 | 03:21 PM
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Default Re: changed out my cat with a high flow

nice, i might be doing the same here pretty soon once it isn't so damn cold out
Old Nov 27, 2007 | 04:14 PM
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Default Re: changed out my cat with a high flow

Now sell the stock one on ebay to pay for the project and put a 12sack in the fridge.
Old Nov 27, 2007 | 04:44 PM
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Default Re: changed out my cat with a high flow

think he can still sell it if he cut the flanges off it?
Old Nov 27, 2007 | 05:14 PM
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Default Re: changed out my cat with a high flow

That's the way ebay wants them. They are not for reuse but for scrap metal.
Old Dec 17, 2007 | 08:11 PM
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Default Re: changed out my cat with a high flow

screw dealing with ebay go to you local drug dealer theyll give u 50 bucks for one haha thats what all the cracked out nigs are doing around here cutting them off and trading them for drugs
Old Dec 17, 2007 | 08:35 PM
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Default Re: changed out my cat with a high flow

Originally Posted by 2wickedtoyz
my car has a nice hollow tone to it like a g35 or murano with a borla exhaust.
You do something good like make your own "test-pipe" and then you ruin it with some statement like this.
Old Dec 18, 2007 | 04:45 PM
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Default Re: changed out my cat with a high flow

----, I have 3 old converters I was about to toss out. They're going for $50-150+!!

Damn, sell your cat, buy a turbo. How enviroment-friendly is that? :P
Old Dec 23, 2007 | 12:31 AM
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Default Re: changed out my cat with a high flow

er uh truthfully i was by a z and my car actually does sound about the same.
Old Dec 23, 2007 | 05:29 PM
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Default Re: changed out my cat with a high flow

Ricer

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