Doug Thorley Long Tubes!

4. I hate to say this part, but please have at least $250 on hand and the number to several area dealers in case your A/F sensor galls up upon removal. If it's cross threaded at the factory, there is no saving it, period. I'm not the only one that this has happened to, and I'm sure not the last. PB Blast them and take your time removing them. Work it out back and forth with a closed end wrench. If it's stuck, then the worst has happend and blast it off impact style.

galls up as in strip? PB blast them as in drown it in WD-40 ?
and which of these A/f sensors am i suppose to get?

http://www.urdusa.com/index.php?cPath=9_13

front or back sensors?
(these are the back sensors made for 2008 for about 100$, mines a 08 and they dont have front sensors although they have front sensors for 07, im sure thatll work)

http://www.urdusa.com/product_info.php?cPath=9_13&products_id=1260518972

and these are for the 07 front afr sensors for about 175$:

http://www.urdusa.com/product_info.php?cPath=9_13&
products_id=1260518973


i hope when i get em it doesnt strip....good thing i have two cars, so i can just order them online cheaper :)

*i hope i get a reply soon so i can go ahead and order em. I like to plan ahead. better safe then sorry
 
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PB Blast, not WD-40, everything the night before and morning of. Will make things easier.

Your potential problem sensor will be a front one that's $175. The A/F sensors are the same for each pipe, the after cat sensors are a non issue. This is only a maybe that this will happen, was only trying to give you a heads up, not to go out and spend more unneccessarily. I'd almost suggest getting one at a dealer so you can return it if you don't need it, or see if they have one on hand ahead time.
 
thanks abunch mike. i already order the headers...now the long wait.....ill let u how it goes.


p.s. fingers cross for the afr sensor!
 
toyota wants 22 per gasket and 1.88 per stud and nuts.

totals out 80 something.....i went to autozone and ordered a pair of header gaskets for 10$. i hope they arent crappy. i cant find nuts and studds anywhere else so ill be getting them at the dealer
 
DSC01453.jpg~original

what were some take aways from this installation?...

any tips or tricks??
 
Pretty much follow my writeup. There's not much to it other unbolting the old and putting in the new. Definitely replace all gaskets and now that all of these 4th Gens have some age on them plan on some of the fasteners as well.

Honestly the biggest thing that would've made this go much smoother and faster would have been an extra set of hands to help.
 
Just got done putting my DT Long Tubes on today. For the most part no problems. TheY fit and work great! Have a writeup with a few notes that I have on it to mention, and pictures to post as well. Will follow up later.

How the long tubes fit with the one inch body lift?? Any customizing etc to make fit?
 
How the long tubes fit with the one inch body lift?? Any customizing etc to make fit?

Body lift didn't affect anything. Engine mounted to the frame so nothing shifted. If anything, there's more space between the body and exhaust piping the whole way.
 

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