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URD Spec-U Equal Length Long Tube Headers

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Old 07-21-2014, 03:39 AM   #121
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Originally Posted by thereverend View Post
OK, 2014 4.0 6SP 4WD DC. TRD Super Charger going in Tues. 18" Magnaflow w/ dump after axle. Are these what I need/want with the new SC? http://urdusa.com/Exhaust-&-Headers-...duct_info.html
If so, I would want the $100 O2 "fooler" as right now we have no vehicle inspection. Will they require any additional exhaust work during install (the stock "y" pipe looks rather restrictive so WHy would I put a SC and Headers just to choke them at the Y? Just spitballing. Help me out guys in making the most logical decision.
Also, if there is no modification (i.e. welding/new pipe) is this a "driveway install" or just pay a buddy w/ and exhaust shop?

Thanks you Taco junkies
-Adam
They will provide a good power increase across the powerband, but you might experience a little bit of low end power loss. The S/C takes almost all of that low end loss out of the picture though.

You certainly do want the rear O2 simulators as well. When installing these you are removing the front set of catalytic converters and so the rear O2 sensors will throw a P0420/0430 code. If you are okay with having a CEL on all of the time it isn't necessary I suppose (those codes aren't limp mode codes). I highly recommend it though.

It makes sense that the Y pipe now becomes the choke point (which it does), but our engines even boosted are not overly high compression. You'll still reap benefits by having just the new headers, although they are pretty raspy unfortunately. You will benefit from building a new Y Pipe and some people have gotten upwards of 15 horse out of just the Y pipe on a boosted application. I wouldn't go any larger than 2.5" as you will lose too much backpressure down line which will in turn affect your exhaust scavenging.

The headers are a driveway install if you have a lot of tools at your disposal. You will say a lot of swear words and waste way too much time, but it certainly can be done. You will want an extra set of hands with you to help. I did my DTLT headers in the garage in a few hours time.
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Old 08-03-2014, 09:33 PM   #122
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Quote:
Originally Posted by memario1214 View Post
You will benefit from building a new Y Pipe and some people have gotten upwards of 15 horse out of just the Y pipe on a boosted application.
So I plan on boosting my 2014 DCSB. Just want to confirm: new headers won't do a whole bunch while a bigger Y-pipe will help a whole lot? I have a TRD CAT back on right now… if this is true, a Y-pipe looks like it is in my near future.
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Old 08-03-2014, 10:14 PM   #123
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Theoretically you will gain the most power from whichever you do first whether that be headers or Y pipe. Especially on a boosted truck they are both choke points. People have gotten about 15 hp with just a headers change, and people have also gotten 15 with the Y pipe change. Put them both on and you probably won't see 30. If someone asked me one or the other and they were not boosted, I would say Y pipe. If you're boosted it's a toss up, although I tend to lean towards headers. That being said I still have the stock Y pipe with the cats cut out of it...
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Old 08-03-2014, 11:10 PM   #124
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Good to know thank you
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Old 09-08-2014, 10:46 PM   #125
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So....Still nothing for 2012+ Huh?
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Old 09-08-2014, 10:49 PM   #126
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Last I heard a month or so ago it would be a few months till 12+ was ready to ship... Should be hearing the update for 12+ by October for sure i'd hope.
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Old 09-09-2014, 11:21 AM   #127
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We have the production prototype for the 12+ ready for a final test fit before production starts.

G
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Old 09-09-2014, 11:33 AM   #128
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Great news G, hope final fitment goes well
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Old 09-17-2014, 10:59 PM   #129
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I'm still game to let you use my truck for a 12+ supercharger. ..
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Old 09-23-2014, 07:58 PM   #130
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Ooh man...I bet I can find a way to cram a set into my Xmas stocking....
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Old 11-09-2014, 01:37 PM   #131
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still waiting! Shoulda got an older used tacoma instead of going for new, waiting for parts development is brutal haha.
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Old 11-09-2014, 01:42 PM   #132
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are these emissions legal?
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Old 11-09-2014, 01:44 PM   #133
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are these emissions legal?
No
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Old 11-09-2014, 05:03 PM   #134
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sucks, was thinkin of getting headers next semesters....
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Old 11-09-2014, 05:52 PM   #135
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Patiently awaiting the 12+ sets

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Old 11-09-2014, 07:38 PM   #136
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With the long tubes and simulators do the emission monitors show all complete? Or are there a few monitors incomplete?
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Old 01-17-2015, 12:42 PM   #137
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Are the 12+ equal lengths still happening?
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Old 01-18-2015, 12:19 PM   #138
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Yes.

We have a production prototype ready for final test fitting before we make the production run.

I had a guy lined up but I have lost touch with him.

I shipped the headers out to the Orange County CA area and that is where they are now. Looking for someone out there looking to help us out before I have them shipped back here.

G
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Old 01-18-2015, 01:10 PM   #139
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Sounds good, thanks for the quick reply!
If you can't find anyone there (i'm sure you will though) i'd be able to do a test fit, unless the help you were looking for was something different than feedback on fitment with spacing measures and pictures.
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