Aftermarket Headers - Post if you're interested

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I wonder how they came up with an 05 LX470. Does someone at Underdog have an 05 LX470?
 
its really all I could guess myself. I think I'm going to take the plung and order them.
 
$421 is a hard number to beat. I may order and have the local race shop modify to fit.
 
I sent an email to underdog asking about the fitament to an 05 LX and what about other years of LCs. We shall see what they say.
 
WELL, I SHOULD HAVE CALLED EARLIER!!!!!

Just called JBA, part number "2010S" bolts up to the 2005 LX470 like underdog says. They actually used the part for the older 2000 tundra to fit the 2005 LX, so as to have one for the non-air injected system.


2010S - Plain stainless steel construction
2010SJS - Silver ceramic coated inside+ outside - this one "weathers" best out of all of them
2010SJT - Titanium ceramic coated inside + outside - this one is highest temp, however is more suited towards arid dry climates.



Just contacted Underdog Racing Development(URD) and inquired about a group buy. The sales rep is going to contact the owner and they should get back to me sometime soon. hang tight guys!

http://www.urdusa.com/product_info.php?cPath=93_120&products_id=1260518553
 
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Add me to the list.
 
will these fit (bolt on, no mods) to a 2003? If so, I'm in pending final price/shipping etc
 
This should help the 4.7 come to life. I wonder what the increase in hp would be with headers, exhaust and free flow cats. 10, 15, 20 or more hp. That would be awesome.
 
I'd like to see a before and after dyno. I'll even throw in a few bucks for the cause.
 
I'd like to see a before and after dyno. I'll even throw in a few bucks for the cause.

well i would assume with an exhaust, the dyno results would mirror the tundras results of the earlier model years(before vvt-i).

I think I'll go ahead and order a set before we do a group buy and have them installed to make sure it fits on the earlier 100s.
 
I saw that one dyno with the full exhaust but haven't seen one for just the headers alone (haven't looked either). I don't think I want to go full exhaust on the 100. I have 4 other loud vehicles already!
 
I know we have instructions on replacing the Passenger side, are there instructions on replacing the driver side exhaust manifold?
 
Loud, throw me on the list.
 

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