CAT length?
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Junior Member
Joined: Mar 2004
Posts: 89
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From: Denmark, DK, Fredericia
CAT length?
I have a EK4 hatch.
I just got a JDM length 5zigen pro-racer exhaust, and a JDM ITR header.
Now I need to modify my 2.5” Magnaflow cat so it fits in between. Can anyone tell me how long the cat needs to be to fit in between a JDM length exhaust and JDM ITR header?
I just got a JDM length 5zigen pro-racer exhaust, and a JDM ITR header.
Now I need to modify my 2.5” Magnaflow cat so it fits in between. Can anyone tell me how long the cat needs to be to fit in between a JDM length exhaust and JDM ITR header?
Joined: Nov 2007
Posts: 212
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From: Seattle, WA, USA
Re: CAT length? (ComCool)
best thing to do is to bring the car and parts to a muffler shop and they will cut and weld for u. what i did is i had them to cut and extend the pipe on cat converter with a new flange so my dc sports header will bolt on
Joined: Nov 2006
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From: Marina, CA, USA
Re: (ComCool)
i doubt cutting the cat would be the greatest idea. why not just slap everything on minus the cat, take it to the shop and have them make you a test pipe to the length needed? unless your intensions were to keep the cat.
Thread Starter
Junior Member
Joined: Mar 2004
Posts: 89
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From: Denmark, DK, Fredericia
We dont have muffler shops over here. So if someone knows the length, I can get someone weld on flangs for free. And yes, I need to use the cat or it will be illegal over here.
Honda-Tech Member
Joined: Nov 2006
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From: Really slow,, NJ, USA
Re: (DC2Projektz)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DC2Projektz »</TD></TR><TR><TD CLASS="quote">i doubt cutting the cat would be the greatest idea. why not just slap everything on minus the cat, take it to the shop and have them make you a test pipe to the length needed? unless your intensions were to keep the cat.</TD></TR></TABLE>
95 % of shops will not make you a test pipe. They are liable for emissions in most cases and if found guilty for faulty repair on a car's Catalytic converter (if needed) can be held in full liability.
95 % of shops will not make you a test pipe. They are liable for emissions in most cases and if found guilty for faulty repair on a car's Catalytic converter (if needed) can be held in full liability.
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Joined: Sep 2007
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From: Oregon
Re: (97Ej6mike)
I just got done doing pretty much the same thing at my college's welding shop. The best way is for you to measure it yourself. Jack your car up on jack stands, then roll on under your car with as many of the new pieces bolted on as possible and measure with a measuring tape. There should be a fair amount of play from the cat back portion of your exhaust, atleast there was for me. Hope this helps.
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