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Old 02-20-2009, 09:49 PM   #1
sniper512
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Join Date: Sep 2008
Chapter/Region: W. Canada
Location: Cranbrook, BC
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1993 JDM WRX
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Default Up-Pipe Fitment?

I found a up pipe for a USDM WRX and was told it will fit my JDM WRX's TD05 is this true. It is also supposed to fit a V3 STI?
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Old 02-20-2009, 10:07 PM   #2
RealDealTarheel
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I've got an APS up pipe for a USDM WRX on my JDM WRX with the TD05 so it should bolt up just fine.
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Old 02-20-2009, 10:19 PM   #3
sniper512
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Thanks
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Old 02-20-2009, 11:04 PM   #4
Matt Monson
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Just in case you didn't know, your car already has a catless uppipe in place on it from the factory. There's not much to be gained there beyond getting rid of the cat with an aftermarket uppipe, and given the poor workmanship of many of them, you may just be opening yourself up to leaks and other issues like broken welds and things. I never change the stock uppipe off of my JDM swaps.
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Old 02-21-2009, 01:22 AM   #5
sniper512
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Okay thanks ya I went looking around and figured that out. Good to know for sure. I ordered a HKS DP and the guy had a HKS up-pipe as well that's why I was asking.
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Old 02-22-2009, 10:40 AM   #6
rob
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Quote:
Originally Posted by Matt Monson View Post
Just in case you didn't know, your car already has a catless uppipe in place on it from the factory. There's not much to be gained there beyond getting rid of the cat with an aftermarket uppipe, and given the poor workmanship of many of them, you may just be opening yourself up to leaks and other issues like broken welds and things. I never change the stock uppipe off of my JDM swaps.
Food for thought. Start at post 318 and go down from there.
http://forums.nasioc.com/forums/show...4#post16881204

-Rob
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Old 02-22-2009, 11:29 AM   #7
Matt Monson
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Quote:
Originally Posted by rob View Post
Food for thought. Start at post 318 and go down from there.
http://forums.nasioc.com/forums/show...4#post16881204

-Rob
So this begs the question of the ID for the JDM uppipes. Gonna make me go measure some stuff, eh?

Regardless of what we find, a strong argument could still be made that it's a lot of work for very few HP. Some guys chase every last HP. I think it's pretty clear that I don't.
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Old 02-22-2009, 02:46 PM   #8
sniper512
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Default

Wow well I see it being worth it but I am planning something radical down the road so this really isn't worth the work or hp if its all getting changed in the next year or so. Very interesting read though.
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Old 02-22-2009, 11:46 PM   #9
rob
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It tastes like burning

Default

Quote:
Originally Posted by Matt Monson View Post
So this begs the question of the ID for the JDM uppipes. Gonna make me go measure some stuff, eh?

Regardless of what we find, a strong argument could still be made that it's a lot of work for very few HP. Some guys chase every last HP. I think it's pretty clear that I don't.
It's probably a function of ID and design specific turbulence. I happened on a set of Jun EL headers with the uppipe built in, so I'm not worried about it :P
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Old 02-23-2009, 12:40 PM   #10
Cbgrandtheftauto
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Quote:
Originally Posted by Matt Monson View Post
Just in case you didn't know, your car already has a catless uppipe in place on it from the factory. There's not much to be gained there beyond getting rid of the cat with an aftermarket uppipe, and given the poor workmanship of many of them, you may just be opening yourself up to leaks and other issues like broken welds and things. I never change the stock uppipe off of my JDM swaps.
I found this out the hard way...I had one of those eBay uppipes...it was 3" but I was willing to loose the .5" to keep my stock since I have heard that the knock off eBay exhaust pipes will break at the welds..the bad part is some guy in Ireland bought it...I think there uppipe is catless from the factory also...LOL
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