wow, TRD Headers are hard to find!!

jblazy18

New member
ive been looking everywhere for some TRD headers for a 99 3.4L and coming up with posts 4 or 5 years old.. ebaymotors has nothing.. yotatech same thing.. are these things really that rare?...
 
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ive been looking everywhere for some TRD headers for a 99 3.4L and coming up with posts 4 or 5 years old.. ebaymotors has nothing.. yotatech same thing.. are these things really that rare?...

yuuup

I also heard they dont do much, but URD has other brands.
 
toyota stopped selling them, so the only way you are going to find them now is used or NOS, but i think its either jba or downey who made them for trd(could be wrong though)
 
i saw the jba's and i only found 1 review and it wasnt good at all.. fitment issues.. and the downey headers i will never find ... thorley headers are super expensive and those obx headers it seems everybody has bad reviews but yet nobody's had them before.. its always "just heard" reviews.. and it sucks the trd's are so hard to find
 
you cant go wrong with the doug thorley headers, i have heard good things about the JBAs, another one to look at is gibson
 
well if in the next 2 weeks i cant find some trd's then ill go with thorleys.. ive heard nothing but good things also.. i cant seem to find gibson headers for a 99 4runner/tacoma for the 3.4L
 
I've got the OBX headers and they seem to be okay. What are the negative reviews saying about them?
 
i saw the jba's and i only found 1 review and it wasnt good at all.. fitment issues.. and the downey headers i will never find ... thorley headers are super expensive and those obx headers it seems everybody has bad reviews but yet nobody's had them before.. its always "just heard" reviews.. and it sucks the trd's are so hard to find

Any bad review of obx is not a review of these actual headers. Obx is good stuff, equally as good as trd. Theres nothing special about the trd headers.
 
Unless you are SC'd then headers are one of the worst bang for the buck mods out there on most NA motors. You might see 5-6whp but it'll be way up in the RPM band where it's not really useable power. Realistic HP gains will only be in the 2-4whp.
 
that might be your opinion ronMaiden.. everybodys entitled to one.. but that seems to be the myth on this forum that headers are a waste of money for these motors and headers dont really do anything for na motors... which i can tell you having owned 3 LS1's and being huge into modifications and performance parts for camaro's.. is totally wrong.. with good headers like the kooks long tube headers LS1's can gain up to 12-15hp. Thats serious horsepower left out on the table. while headers might be more beneficial for certain motors than others, they still benefit the motor.. yes i know headers are a pain in the arse to put on these motors, but im willing to put in the time for a maybe a 5-6hp.. and im talking at the crank not the wheels.. im not looking to make this thing as fast as an LS1.. but to gain 1 or 2 mpg while gaining a little bit of horse with it is worth it to me, especially considering the aftermarket for these motors is slim to almost none. i know just doing headers and having a stock exhaust will just almost defeat the purpose of the headers, which is what i think allot of people on here do, just bolt up some headers to a restrictive oem exhaust and then complain the headers didnt do anything...but my point is headers are worth it, you dont need a supercharger if your going to put on headers, and yes headers are beneficial to just about any internal combustion engine out there....not all...but most

Dous - ive been reading on guys bashing the welds on these headers, being a welder the welds look more than decent for stainless steel but i know the constant heating and cooling does do damage to welds.. or any metal for that matter..... that and fitment issues have been brought up... did those obx's bolt right up?
 
I think they can be worth it if you are willing to do the work. It is a PITA to get them on, so if you have to pay a shop to do them, it kind of washes it out.

Good luck with the search!
 
There's no proof that headers won't give you more power. All the dyno sheets I see are on supercharged 5VZ's. I would do a full exhaust system with the headers as stated above though since the factory exhaust is probably a bit restrictive.
 
well im gunna order some obx headers and next month order a catback exhaust and see if i can get some before and after dyno numbers..
 
well im gunna order some obx headers and next month order a catback exhaust and see if i can get some before and after dyno numbers..

If you do in fact go ahead and install new headers and exhaust, please update this thread so we can keep some info going in one place.

There's so much crap on this forum scattered around... I swear it's the worst board I'm on in that regard. I like the people, but the info is all over the place.....
 
20004Runner4x4SR55spd.jpg~original
 
wow.. well thank you brilliant for that post... its nice to see some real evidence and not just "i heard"... when i order my stuff i will update it with my results... i hope everybody that posted on here saying headers dont do anything looks at this and realizes it doesnt say "supercharger" on the top
 

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