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Old 04-22-2021, 07:50 AM #151
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I did receive my DT Long Throw headers and Y Pipe. Excited to finally get rid of my steam engine sounding V8.

Questions for group, does anyone have pictures of how they installed the Cats
-Install as part of header down pipe
-Install as part of Y Pipe

Pictures would be useful if possible?

Thanks all
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Old 04-22-2021, 10:45 AM #152
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What improvements did you notice with the DT Y-pipe beyond noise performance (shifting you mentioned) How much nose improvement. We have similar builds, DT Headders, Gibson Catback and Gibson upstream cats. OEM downstream cats. I've got a pair of gibson cats to replace the downstream but have not had that work done yet.
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Old 04-22-2021, 02:11 PM #153
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Quote:
Originally Posted by KrazedJD View Post
I did receive my DT Long Throw headers and Y Pipe. Excited to finally get rid of my steam engine sounding V8.

Questions for group, does anyone have pictures of how they installed the Cats
-Install as part of header down pipe
-Install as part of Y Pipe

Pictures would be useful if possible?

Thanks all
If you've got LTs and the DT Y Pipe, I'd cut out the resonators in the y-pipe and replace them with the cats you want to install.
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'09 V8 Limited | Dobinsons Lift | Front: 3" - C59-302 + GS59-220 | Rear: 2.5" - C59-675V + GS59-701 | Tires | Ridge Grappler 275/65/18XL | Wheels | Method Standard Machined Finish 18x9 -12 offset | SPC UCAs | DT Long Tubes | GSport 2.5" Cats | DT Y-Pipe | Magnaflow Cat Back | 2.5" Vibrant Ultra Quiet Resonator
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Old 04-22-2021, 02:12 PM #154
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Quote:
Originally Posted by mavrick1903 View Post
What improvements did you notice with the DT Y-pipe beyond noise performance (shifting you mentioned) How much nose improvement. We have similar builds, DT Headders, Gibson Catback and Gibson upstream cats. OEM downstream cats. I've got a pair of gibson cats to replace the downstream but have not had that work done yet.
Was this directed at me or someone else?
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Old 04-22-2021, 03:46 PM #155
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Quote:
Originally Posted by KrazedJD View Post
I did receive my DT Long Throw headers and Y Pipe. Excited to finally get rid of my steam engine sounding V8.

Questions for group, does anyone have pictures of how they installed the Cats
-Install as part of header down pipe
-Install as part of Y Pipe

Pictures would be useful if possible?

Thanks all
Here is a pretty comprehensive video I found on the install of the DT Headers on a V8

V8 4Runner Header Installation - 4th Gen 4Runner Doug Thorley Headers - THE BEAST!!! - YouTube
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Old 04-22-2021, 07:14 PM #156
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I have a related question— I am currently considering buying a 2003 V8 with 150,000 mi. The exhaust manifold seems to be ok but I figure it’s a matter of time before there’s a crack. The headers sound like a much better way to go than a new OEM exhaust manifold, but I am in CA and I don’t think I can get the headers because of CARB laws. Has anyone in CA done this modification?
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Old 05-22-2021, 08:32 PM #157
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When installing these Doug THorley's what are you guys replacing the bolts and nuts with? I was checking out Toyota catalog here: Exhaust Components for 2006 Toyota 4Runner | McGeorge Toyota Parts

There are apparently two types of bolts?! Bolts for the upper part of the manifold, and bolts for the lower. Why on God's green Earth would they do that? Not just make all 16 the same...

Another user suggested buying some stainless steel ARP bolts and nuts, for roughly $219, but the wait time on those is over a month and I'm not sure I can rationalize that price for 16 bolts and nuts.
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Old 05-22-2021, 08:35 PM #158
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Quote:
Originally Posted by meltdowner View Post
When installing these Doug THorley's what are you guys replacing the bolts and nuts with?
This is what you want. Have in stock finally! Will save 1-2 hours on install. Also can torque with never worrying about snapping. If you’d like to see more installed pictures, text me

Titanium Stud kit at Burtman Industries

Also, here are the links to the headers themselves.

03-04 Doug Thorley headers at Burtman Industries

05-09 Doug Thorley headers at Burtman Industries
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Last edited by Jason B; 05-22-2021 at 08:42 PM.
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Old 05-22-2021, 08:57 PM #159
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Quote:
Originally Posted by Jason B View Post
This is what you want. Have in stock finally! Will save 1-2 hours on install. Also can torque with never worrying about snapping. If you’d like to see more installed pictures, text me

Titanium Stud kit at Burtman Industries

Also, here are the links to the headers themselves.

03-04 Doug Thorley headers at Burtman Industries

05-09 Doug Thorley headers at Burtman Industries
Thanks, I already own the headers. Do you have any links to people who have used these studs and are happy with them?
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Old 05-22-2021, 10:40 PM #160
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I have the titanium studs from burtman, very happy with them. Good quality and if I ever need to remove the headers, should,make,for a much easier job.

Derek V
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Old 05-24-2021, 09:44 AM #161
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Quote:
Originally Posted by meltdowner View Post
Thanks, I already own the headers. Do you have any links to people who have used these studs and are happy with them?
I have installed quite a few sets of DT long tubes and short tubes with high flow cats and, I must say, the Burtman Industries titanium stud kit is well worth the money and will save you some headache on the install.
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Old 05-25-2021, 05:49 PM #162
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Quote:
Originally Posted by sl3customs View Post
I have installed quite a few sets of DT long tubes and short tubes with high flow cats and, I must say, the Burtman Industries titanium stud kit is well worth the money and will save you some headache on the install.
Have you used these cats for the shorty set up? Amazon.com: MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51005: Automotive

I ask because my mechanic friend is helping with the install and he says the magnaflow and the ones on my OEM manifolds would be 5-7 inches too long and require a decent amount of mods to the Y-pipe in order to get proper fitment.

Thanks!
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Old 05-28-2021, 12:02 AM #163
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i will eventually need a set of these it sounds like.
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Old 06-04-2021, 03:51 AM #164
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Quote:
Originally Posted by Jason B View Post
This is what you want. Have in stock finally! Will save 1-2 hours on install. Also can torque with never worrying about snapping. If you’d like to see more installed pictures, text me

Titanium Stud kit at Burtman Industries

Also, here are the links to the headers themselves.

03-04 Doug Thorley headers at Burtman Industries

05-09 Doug Thorley headers at Burtman Industries

Are the headers for the 2006+ in stock ?
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Old 06-18-2021, 01:52 PM #165
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Just got off the phone from Jason at Burtman industries - Have an '05 v8, she's a rust free beauty....starting the deadly chuff though....cant wait to get it sorted....Justin was a blast to deal with !!! Will update once installed......
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