09-25-2018, 10:54 PM
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#31
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Official Vendor
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Join Date: Nov 2002
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Official Vendor
Join Date: Nov 2002
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I mentioned a while back how these headers give 30 HP. It's actually 32HP gain/35 ft lbs of torque!!!, more than I thought! Some said no way, and I said they did and there was a dyno, but where-ever it was hosted the link was broken, etc. Another was done and I finally got it. This is on a STOCK TRUCK, stock cats, etc. With a Gibson exhaust, Volant Intake and high flow magnaflow cats (which I also have on sale right now) this truck would give A LOT MORE, probably 15+ more easy. The factory cats are so restrictive that mods like exhaust and intakes help on stock trucks, but no where near what a truck with DT headers would and can do.
BUT, even if you don't care about the power, the gain mpg gains, people have reported on here 2-3 mpg gains. Now, that's if you drive it like you did before the mods, which might be hard for some to do with it being crazy fast after.
Doug Thorley 03-04 headers ORDER LINK
Doug Thorley 05-09 headers ORDER LINK
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For 4Runner/SUV Accessories, please visit www.burtmanindustries.com
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09-26-2018, 12:04 AM
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#32
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Join Date: Jun 2017
Location: Columbus, OH
Posts: 358
Real Name: Blake
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Join Date: Jun 2017
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Real Name: Blake
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@ Jason B
I've got an exhaust intake leak, which I think is the cause of a "clicking" sound on start-up and acceleration (07 4.7L). After speaking with the mechanic, I'm under the impression that these new headers will fix this issue.. does that seem correct?
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07 V8 Limited 4X4 - Natural White (SOLD)--> "Moby Dick" Build Thread
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09-26-2018, 11:34 AM
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#33
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Official Vendor
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Join Date: Nov 2002
Location: USA
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Official Vendor
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Quote:
Originally Posted by Flash Runner
@ Jason B
I've got an exhaust intake leak, which I think is the cause of a "clicking" sound on start-up and acceleration (07 4.7L). After speaking with the mechanic, I'm under the impression that these new headers will fix this issue.. does that seem correct?
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Yes, that's the issue that happens on 4th gen v8's with around 100k-150k miles on them. The factory headers crack. Toyota wants $1,500 for both sides, and usually $3000 total installed. The Doug Thorleys are half that thank goodness, and give lot of extra power and a very nice gas mileage bump! And they carry are lifetime warranty, whereas the Toyota headers don't, and will crack again due to the design flaw with them.
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For 4Runner/SUV Accessories, please visit www.burtmanindustries.com
My 4Runner website
https://www.youtube.com/user/burtmanindustries, New YouTube channel! please subscribe and I'll make more videos!
[email protected]
DO NOT PM - text/call 717-319-2100 (24/7)
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10-14-2018, 12:55 PM
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#34
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Join Date: Jul 2017
Location: Valley of the Sun
Posts: 228
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Member
Join Date: Jul 2017
Location: Valley of the Sun
Posts: 228
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Moved
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2006 V8 Limited 4WD
| Doug Thorley Headers | Gibson | Old Man Emu | ToyTec | SPC Performance | RCI Metalworks |
| Skid Mark 4x4 | SpiderTrax | BFGoodrich KO2 | aFe | Rutech | HCF Mod |
Last edited by 0verland; 10-14-2018 at 10:58 PM.
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10-14-2018, 10:15 PM
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#35
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Join Date: Apr 2017
Location: NJ
Posts: 200
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Member
Join Date: Apr 2017
Location: NJ
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Quote:
Originally Posted by Jason B
Yes, that's the issue that happens on 4th gen v8's with around 100k-150k miles on them. The factory headers crack. Toyota wants $1,500 for both sides, and usually $3000 total installed. The Doug Thorleys are half that thank goodness, and give lot of extra power and a very nice gas mileage bump! And they carry are lifetime warranty, whereas the Toyota headers don't, and will crack again due to the design flaw with them.
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Just picked up my 08 V8 with the cracked headers. Will definitely be picking this up sometime in the future. They ever go less than the current listed price? Is it free shipping? Thanks!
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10-14-2018, 11:39 PM
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#36
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Junior Member
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Join Date: Sep 2018
Location: Illinois
Posts: 23
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Join Date: Sep 2018
Location: Illinois
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How does this effect the emissions test? Will I be able to pass a strict emissions test?
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10-15-2018, 12:35 PM
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#37
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Join Date: Aug 2018
Location: Phoenix, AZ
Posts: 8
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Location: Phoenix, AZ
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Quote:
Originally Posted by PharRunner
How does this effect the emissions test? Will I be able to pass a strict emissions test?
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You'll be fine if you weld in some cats...
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06 White V8 4wd Limited T4R - DT Headers with Magnaflow high-flow cats and full custom exhaust, AFE dry filter, Interior LED upgrade, 4200NEX HU, Maplight Mod.
Upcoming: Icon lift, new rear links, LCA/tierods/CV/Sway replacement, sound deadening and new speakers/amp/sub...eventually wheels/tires
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11-13-2018, 05:52 PM
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#38
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Join Date: Jul 2018
Location: Washington DC
Posts: 119
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Member
Join Date: Jul 2018
Location: Washington DC
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Quote:
Originally Posted by Jason B
I mentioned a while back how these headers give 30 HP. It's actually 32HP gain/35 ft lbs of torque!!!, more than I thought! Some said no way, and I said they did and there was a dyno, but where-ever it was hosted the link was broken, etc. Another was done and I finally got it. This is on a STOCK TRUCK, stock cats, etc. With a Gibson exhaust, Volant Intake and high flow magnaflow cats (which I also have on sale right now) this truck would give A LOT MORE, probably 15+ more easy. The factory cats are so restrictive that mods like exhaust and intakes help on stock trucks, but no where near what a truck with DT headers would and can do.
BUT, even if you don't care about the power, the gain mpg gains, people have reported on here 2-3 mpg gains. Now, that's if you drive it like you did before the mods, which might be hard for some to do with it being crazy fast after.
Doug Thorley 03-04 headers ORDER LINK
Doug Thorley 05-09 headers ORDER LINK
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I'm getting the headers installed next week and can't wait! Also, just got the Gibson exhaust installed from Burtman and it looks like a factory special edition with the ceramic tips.
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2019 TRD pro - S&B intake, Gibson Side Dual Catback black ceramic tips, Sprint Booster. lift coming
2006 4Runner V8 - Doug Thorley Headers/Hi-flow Magnaflow Cats, Gibson Catback Dual Exahust, Volant Air Intake, Sprint Booster, All from Burtman Industries
1996 Limited 3RD Gen, still going strong!
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12-09-2018, 12:06 PM
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#39
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Junior Member
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Join Date: Apr 2016
Location: Ottawa, Ontario
Posts: 3
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Location: Ottawa, Ontario
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Canada Counter Tariffs on Doug Thorley Headers 25%
Hi Guys:
I mentioned on one of the other threads that I'm looking for an alternative to the Doug Thorley headers for a 2006 V8. Canada has imposed "counter-tariffs" on USA made steel products of 25% to match the tariffs America imposed on Canada earlier this year.
Anyway, does anyone know of non-USA made headers for the V8? The tariffs only apply to America, so anything from Mexico, Japan, etc will be fine.
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12-13-2018, 08:07 PM
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#40
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Official Vendor
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Official Vendor
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Quote:
Originally Posted by TCity
Anyway, does anyone know of non-USA made headers for the V8? The tariffs only apply to America, so anything from Mexico, Japan, etc will be fine.
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There are none. BUT, I can ship these to a close usa bordering state for you, and that would help you out.
ALSO, I have these about $25 off right now! Best i can do and lowest price they will ever be. Use links below to order. Can only do this for 1 or 2 more days. I updated the site a few days ago with the price drop and forget to post here.
Doug Thorley 03-04 headers
Doug Thorley 05-09 headers
REMEMBER, JAN 1, PRICE INCREASE from the factory. Out of my control. IF you always wanted these, now is the time to grab. Same with the Gibson Catback I also have on sale. They are raising prices also on Jan 1. Thanks to the steel tarrifs fee's, etc
__________________
For 4Runner/SUV Accessories, please visit www.burtmanindustries.com
My 4Runner website
https://www.youtube.com/user/burtmanindustries, New YouTube channel! please subscribe and I'll make more videos!
[email protected]
DO NOT PM - text/call 717-319-2100 (24/7)
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03-28-2019, 03:52 PM
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#41
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Senior Member
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Join Date: Jul 2010
Location: Denver, CO
Posts: 1,433
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Just had mine installed and I've noticed a few things. First, I reset my mpg calculator since the road between the shop and my house is mostly highway and I was getting 21.6. I was over the moon. After a few days of city driving though it's down in the 15's again. I'm not sure if that's because I'm driving it harder now because it is definitely faster, or if the MPG gain promises are overblown.
I'm going to let it calculate for a couple weeks and see what the average comes out to be. That being said, I didn't get this car to hypermile, but it was a nice selling point to hear it would get me back to pre-33" tire MPG territory. I'll be impressed if it does.
__________________
2004 Sport Edition V8. 3" OME lift. 5th Gen Brakes. 285/70 Duratracs. JBA UCAs. SCS Ray10s. DT Headers.
1997 4-Runner Limited w/ factory locker. Totaled in February 2018. Still miss it.
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03-28-2019, 04:03 PM
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#42
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Join Date: Dec 2018
Location: NC
Posts: 759
Real Name: Michael
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Join Date: Dec 2018
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Quote:
Originally Posted by atalarico
Just had mine installed and I've noticed a few things. First, I reset my mpg calculator since the road between the shop and my house is mostly highway and I was getting 21.6. I was over the moon. After a few days of city driving though it's down in the 15's again. I'm not sure if that's because I'm driving it harder now because it is definitely faster, or if the MPG gain promises are overblown.
I'm going to let it calculate for a couple weeks and see what the average comes out to be. That being said, I didn't get this car to hypermile, but it was a nice selling point to hear it would get me back to pre-33" tire MPG territory. I'll be impressed if it does.
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Care to give some info on the specs you went with. Cats Y/N? Muffler? Price for install? I will need these too and want to see what people charging genrally
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Titanium Metallic 2006 Limited 4WD V8 | Doug Thorley "Premium" Long Tubes/Modded Ypipe | Magnaflow dual in/dual out | True Dual Exhaust | Fr: 5100/885/SPC R: Icon 2"/2nd gen links | 285/75R17 G003s | Sherpa Princeton | Baja Designs | 5th Gen Brakes | Everything else is in the Build Thread
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03-28-2019, 07:03 PM
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#43
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Member
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Join Date: Oct 2016
Location: Ontario, Canada
Posts: 108
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Member
Join Date: Oct 2016
Location: Ontario, Canada
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Quote:
Originally Posted by atalarico
Just had mine installed and I've noticed a few things. First, I reset my mpg calculator since the road between the shop and my house is mostly highway and I was getting 21.6. I was over the moon. After a few days of city driving though it's down in the 15's again. I'm not sure if that's because I'm driving it harder now because it is definitely faster, or if the MPG gain promises are overblown.
I'm going to let it calculate for a couple weeks and see what the average comes out to be. That being said, I didn't get this car to hypermile, but it was a nice selling point to hear it would get me back to pre-33" tire MPG territory. I'll be impressed if it does.
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Factory computer readings are known to be untrustworthy. Calculate it by hand and it'll give you an accurate reading. I did that and found a 1-2 mpg improvement which is what I lost from the bigger tires!
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2007 4runner Limited V8 (Fox 2.0 / OME 895 / MetalTech RAS delete, 285/70/17 Duratracs / Method Standards / Doug Thorley headers / Gibson Exhaust)
1991 Toyota MR2 | 2002 Harley Night Train
Canadiangearhead.com | Youtube | Instagram
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03-29-2019, 01:27 AM
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#44
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Join Date: Jul 2010
Location: Denver, CO
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Join Date: Jul 2010
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Quote:
Originally Posted by That_Titanium_4RNR
Care to give some info on the specs you went with. Cats Y/N? Muffler? Price for install? I will need these too and want to see what people charging genrally
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Just the headers. $750 (quoted 600-800) at Lakewood Muffler and Brake.
__________________
2004 Sport Edition V8. 3" OME lift. 5th Gen Brakes. 285/70 Duratracs. JBA UCAs. SCS Ray10s. DT Headers.
1997 4-Runner Limited w/ factory locker. Totaled in February 2018. Still miss it.
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03-29-2019, 01:28 AM
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#45
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Senior Member
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Join Date: Jul 2010
Location: Denver, CO
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Quote:
Originally Posted by Timberland
Factory computer readings are known to be untrustworthy. Calculate it by hand and it'll give you an accurate reading. I did that and found a 1-2 mpg improvement which is what I lost from the bigger tires!
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But wouldn’t it follow that if I am comparing my current computer calculated mpg to the previous computer calculated mpg, it would be consistent (albeit consistently inaccurate)?
__________________
2004 Sport Edition V8. 3" OME lift. 5th Gen Brakes. 285/70 Duratracs. JBA UCAs. SCS Ray10s. DT Headers.
1997 4-Runner Limited w/ factory locker. Totaled in February 2018. Still miss it.
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