Interest in Custom built 4th gen V8 4.7 Doug Thorley Headers

Would you like the DT headers to have a Highflow catalytic converter?

  • Hell no! Open and loud.

    Votes: 35 9.1%
  • Yes, I would like to be legal.

    Votes: 283 73.9%
  • I don't care either way as long as I get them!

    Votes: 65 17.0%

  • Total voters
    383
It's not an easy task, My mechanic is still working on mine now. Probably not for an occasional DIYer.
 
Finally got my DT's installed! Nice & quiet without the damn tick... tick... tick...

Jasonhewitt, My shop (general mechanic) said he would do them again as now he has experience (a real pain) but it'd probably be prohibitively expensive for you. Can I suggest searching out local exhaust shops.
 
SSt4r what would you think the local shop might charge? Also did you weld on the cats and how do you like them so far? I have to change mine out soon due to my horrible ticking sound and was wondering if it worth the little extra.
 
Jason, they are welded on. Like them great so far but only put one (1) mile on them so far. Literally picked up the 4runner tonight and am still at work so no miles yet. They were described as well designed for the space given, but due to that lack of space, the install is difficult. The installation here would e more that the purchase price so... I'd still suggest a dedicated exhaust shop for the work.
 
SSt4r. Thanks for the info. I am hoping to pick some up on the first order or two. Did you contact DT directly for yours and did you keep your original Y pipe?
 
I'd figure on 10-12hr X $your local labor rate.

I would not recommend someone doing this DIY unless you are an experienced professional.
Thanks. The only reason I won't do it myself is I'm scared to death of breaking a bolt off in the head. That and it's so hard to get too. Ugh.
Tax returns this year are going to exhaust. Headers, dual exhaust with h-pipe, catalytic delete, URD cat simulator. Should sound beastly! :AK47:
 
GROUP BUY PEOPLE - WHO IS READY TO PURCHASE?

There will 12 SETS ready to ship out around DEC 29th or 30th.


$579 SHIPPED

1. Tollboothwilley
2. CruzadoBlanco
3. the great him
4. sr3tlaw
5. Jagerzel (on the fence)
6. V8Man
7. jp8900
8. Bob J
9. V8Limited4wd
10. wmiranda
11. wracks03s
12. wracks03s (another set)
13. BusinessHippieRH (time frame)
14. nivlak
15. derekdevasia
16. JDinh4R
17. KaseyMcc
18. xcvgi
19. theory6
20. Duncan
21. kyle-uran
22. stoopid-911
23. Range
24. AZ4runnin


Who else is ready? PM me for the details. They will not ship out any until I have 10 confirmed people ready. Payment will go directly to Doug Thorley. Price after Group Buy concludes will be $709-$749 they said.

Post up if you are ready to order & PM me
 
GROUP BUY PEOPLE - WHO IS READY TO PURCHASE?

There will 12 SETS ready to ship out around DEC 29th or 30th.


$579 SHIPPED

1. Tollboothwilley
2. CruzadoBlanco
3. the great him
4. sr3tlaw
5. Jagerzel (on the fence)
6. V8Man
7. jp8900
8. Bob J
9. V8Limited4wd
10. wmiranda
11. wracks03s
12. wracks03s (another set)
13. BusinessHippieRH (time frame)
14. nivlak
15. derekdevasia
16. JDinh4R
17. KaseyMcc
18. xcvgi
19. theory6
20. Duncan
21. kyle-uran
22. stoopid-911
23. Range
24. AZ4runnin


Who else is ready? PM me for the details. They will not ship out any until I have 10 confirmed people ready. Payment will go directly to Doug Thorley. Price after Group Buy concludes will be $709-$749 they said.

Post up if you are ready to order & PM me

I'll take one.... PM sent!
 
For those who have done this mod....

Did you have the cats welded on to the stock headers at whatever shop did the install, or did you have to take the DT's and stock headers to a metal working shop to have the two welded together?

Just curious, thanks
 
Jasonhewitt: I bought mine from URD shortly after them became available (about a year ago). So far I still have the factory Y-pipe. I do have a Dirty Deeds muffler and the factory tailpipe / resonator down stream. If anyone has a good option for a Y-pipe, let us know.

T101: The shop that did the install did the welding. Any good exhaust shop would as well. I don't think it would be practical to have them welded elsewhere as there is some cutting and dry fitting involved and they may have to go on and off a couple of times. Then they had to be tack welded in place, taken off, and welded properly.
 
Jasonhewitt: I bought mine from URD shortly after them became available (about a year ago). So far I still have the factory Y-pipe. I do have a Dirty Deeds muffler and the factory tailpipe / resonator down stream. If anyone has a good option for a Y-pipe, let us know.

T101: The shop that did the install did the welding. Any good exhaust shop would as well. I don't think it would be practical to have them welded elsewhere as there is some cutting and dry fitting involved and they may have to go on and off a couple of times. Then they had to be tack welded in place, taken off, and welded properly.
For the non California people, can you get rid of the front two cats and only use the rear one?
 

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