View Poll Results: Would you like the DT headers to have a Highflow catalytic converter?
Hell no! Open and loud. 33 9.07%
Hell no! Open and loud.
33 9.07%
Yes, I would like to be legal. 267 73.35%
Yes, I would like to be legal.
267 73.35%
I don't care either way as long as I get them! 64 17.58%
I don't care either way as long as I get them!
64 17.58%
Voters: 364. You may not vote on this poll

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Old 02-14-2012, 02:48 PM #16
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I'd be interested as well depending on price but I would also want to know what the options are for cats. I would loan my runner but I'm in MA
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Old 02-14-2012, 03:14 PM #17
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Quote:
Originally Posted by TRDCal View Post
I wish they were $600 each. My dealer quoted me $1200 each side plus $100 worth of gaskets for a grand total of $2500. My crack is also getting worse so I'm seriously interested. I'd even give a deposit if need be.

Also I have spoke with an exhaust specialist who said if he built me headers, he would use high flow after the headers that would be 100% emissions legal around here, not sure about california.

EDIT: I'm gonna put a link to this thread in my signature to raise awareness.
With labor you are probably talking $2500...

Parts alone though you can purchase Toyota OEMs for around $650/side. Again, I would be willing to bet they will crack eventually too though.
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Old 02-14-2012, 03:27 PM #18
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Quote:
Originally Posted by berettashot117 View Post
aren't 03-07 all set up just a little bit different, which is why no one has made headers yet? so you don't just need a 4th gen, you need an 03, and an 04, etc.
I am pretty sure you are correct. The 03s have a different transmission and the 05+ have a different intake. These factors will change the exhaust routing since our 4.7s are shoe horned into the engine bay.
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Old 02-14-2012, 03:45 PM #19
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Quote:
Originally Posted by TRDCal View Post
I wish they were $600 each. My dealer quoted me $1200 each side plus $100 worth of gaskets for a grand total of $2500. My crack is also getting worse so I'm seriously interested. I'd even give a deposit if need be.

Also I have spoke with an exhaust specialist who said if he built me headers, he would use high flow after the headers that would be 100% emissions legal around here, not sure about California.

EDIT: I'm gonna put a link to this thread in my signature to raise awareness.
I was talking about just for the part.

2004 TOYOTA 4RUNNER Left Exhaust Manifold


I just spoke with the Doug Thorley guys. They said that any California people can only have OEM to be legal, so no high flow cats for them.
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Old 02-14-2012, 03:55 PM #20
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POLL ADDED!

It's looking that this will have to be for VVTI engines only. 05+
This is the 05-09



This is the 03-04


And regarding high flow cat or not. They said they can built it either way but we will have to decide or get 25 people for the catted and 25 people for the non-catted.

I would like to hear feedback on what version people will be wanting...
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Last edited by brighton; 02-14-2012 at 04:09 PM.
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Old 02-14-2012, 04:20 PM #21
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I think I would like to see them in a cat'd version. I would definitely be interested if the price was right. I have an 06 and it is the 2uzfe motor. Do I have the motor that y'all are talking about having manifolds made for?
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Old 02-14-2012, 05:03 PM #22
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Quote:
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I think I would like to see them in a cat'd version. I would definitely be interested if the price was right. I have an 06 and it is the 2uzfe motor. Do I have the motor that y'all are talking about having manifolds made for?
Yes, sir!
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Old 02-14-2012, 05:38 PM #23
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Non-VVTI SOL?
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Old 02-14-2012, 07:16 PM #24
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I'm interested and I'm in So-Cal, Just would be difficult for me to part with the 4Runner for however long they would need it for. I would probably have to buy the headers and get them installed after my 80k emissions warranty expires though.

I would need them California legal, so either they be short tubes and we have to weld on the stock cats or they come with cats. I could always get that kit from URD to simulate the O2 sensors, just not sure how that all works with Smog testing. Long tubes on these 4.7 V8s would be awesome, I just need it to be able to pass smog every two years.
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Old 02-14-2012, 07:34 PM #25
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Quote:
Originally Posted by UteRunner View Post
Non-VVTI SOL?
From what the people at DT are saying is: if we could get at least 25 serious people, all with the same model rig's, all agreeing on with or with out cats....and they would need a "test rig" for that certain group of people. They would make them.
So are 03-04 people SOL, if there are 25 people with an 03-04 4Runner then maybe they would make those too.
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Old 02-14-2012, 07:41 PM #26
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FWIW the performance gains on the 100 were dyno proven and quite impressive.
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Old 02-14-2012, 07:52 PM #27
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I would be in as long as I was assured that this would be a no brainer replacement for 2008 OEM. jdk
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Old 02-14-2012, 10:22 PM #28
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Quote:
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I would be in as long as I was assured that this would be a no brainer replacement for 2008 OEM. jdk
Same here. I'm interested for my 06 V8. Would the proper application be true duals afterwards or tie into single collector? It would seem ineffective to have headers and then go single out the back. Thoughts?
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Old 02-14-2012, 11:20 PM #29
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im in for the test rig as well. i live in orange county but i am in the military and i am stationed in san diego. i live like 30 min from where doug thorley is located. they just have to be CA legal and i have to be able to pass smog.

i could give them my truck for a while because i could just ride my motorcycle to work.
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Old 02-15-2012, 09:54 AM #30
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Deifnitely interested. I have two stipulations though. It has to be able to pass visual inspection, and pass a dyno emissions test here in Colorado.
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