03-23-2017, 03:32 PM
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#1
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04 V8 Doug Thorley install with custom crossover pipe w/ pro tune
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SOLD 2004 V8 SR5: Toytec 3" w/ SPC UCA | FJ Premium wheels w/ spacers | RCI Skids | DT headers w/ magnaflow cats, custom y-pipe and magnaflow cat-back | 2008 trail roof rack | 1-off custom front bumper w/ Badland winch | Rock Sliders | Tundra front brakes
UPGRADE2016 Limited: OME lift, Shrockworks front bumper, rock sliders and skids, Warn winch, Morrimoto hi/lo's, ECU tuned via GT Peace
Last edited by sprygsxr; 04-03-2017 at 03:12 PM.
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03-23-2017, 03:34 PM
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#2
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Join Date: Mar 2014
Location: Knoxville, TN
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Real Name: Derek
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Looks good! Keep us posted on how the truck feels after the install. 
Sent from my iPhone using Tapatalk
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03-23-2017, 03:47 PM
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#3
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$$$
Can you provide a price break out by parts, labor, etc?
Thanks!
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2008 Nautical Blue GX470
Bilstein 6112/5160
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03-23-2017, 04:16 PM
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#4
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Quote:
Originally Posted by ZiaMan
Can you provide a price break out by parts, labor, etc?
Thanks!
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Headers were $700
Burtman Industries
Magnaflow cats (x2) and 'y-pipe' ~$200
Burtman Industries
3 Summit racing v-band flanges ~$100
Vibrand 12" resonator ~$50
Labor for me was right at $1500. However, last year i put on a set of Pace Setter (biggest waste of money possible) manifolds which cracked in like 6 different places. At that time I replaced all the manifold studs and nuts so I didnt have to buy them again and everything came off like butter. Had the exhaust system not been touched in 13 years it would have been a little bit more, plus some hardware.
Auto Repair in Chantilly, VA | GT Peace Auto
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SOLD 2004 V8 SR5: Toytec 3" w/ SPC UCA | FJ Premium wheels w/ spacers | RCI Skids | DT headers w/ magnaflow cats, custom y-pipe and magnaflow cat-back | 2008 trail roof rack | 1-off custom front bumper w/ Badland winch | Rock Sliders | Tundra front brakes
UPGRADE2016 Limited: OME lift, Shrockworks front bumper, rock sliders and skids, Warn winch, Morrimoto hi/lo's, ECU tuned via GT Peace
Last edited by sprygsxr; 03-29-2017 at 01:29 PM.
Reason: Labor costs added
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03-28-2017, 11:51 AM
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#5
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I have a hundred miles or so after install and the truck feels amazing. Where the mid-high range was a bit lacking before it now pulls through every gear. She is going on the dyno this saturday at 11 so I will post some real numbers as soon as I see them. I am very curious to see what it puts down.
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SOLD 2004 V8 SR5: Toytec 3" w/ SPC UCA | FJ Premium wheels w/ spacers | RCI Skids | DT headers w/ magnaflow cats, custom y-pipe and magnaflow cat-back | 2008 trail roof rack | 1-off custom front bumper w/ Badland winch | Rock Sliders | Tundra front brakes
UPGRADE2016 Limited: OME lift, Shrockworks front bumper, rock sliders and skids, Warn winch, Morrimoto hi/lo's, ECU tuned via GT Peace
Last edited by sprygsxr; 03-29-2017 at 01:29 PM.
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03-28-2017, 02:06 PM
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#6
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Join Date: Jun 2011
Location: OBX, NC
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Quote:
Originally Posted by sprygsxr
I have a hundred miles or so after install and the truck feels amazing. Where the mid-high range was a bit lacking before it now pulls through every gear. She is going on the dyno this saturday at 11 so I will post some real numbers as soon as I see them. I am very curious to see what it puts down.
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You are doing the lords work my friend
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2004 toyota 4runner v8 4x4.
Bilstein 5100, Toytec Superflex, toytec/elibach front lift coils, 1 inch toytec body lift. 17x9 Method The Standard wheels, 285/70/17 Cooper AT3's, LC80 Snorkel
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03-28-2017, 03:44 PM
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#7
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Senior Member
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Do you have any sound clips?
I have a sound that I'm told is just what tubular headers sound like, almost like ticking/air rushing, it's pretty annoying when I drive next to a wall or something with the window down. The other thing I'm thinking is it might be a bottle neck from the 2.5" headers into the stock y pipe on mine. I don't feel or see any leaks anywhere. Aside from the engine bay noise, the exhaust note and added power are nice.
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03-29-2017, 07:13 PM
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#8
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Pressurized exhaust and sprayed soapy water everywhere. Only leaks I found were passenger side primary o2 sensor a little and crappy welds way back near the muffler. I think this sound may be inherent to the header design? You can hear the air rush sound after it revs and engine speed is dropping back down.
https://youtu.be/-fa_ZCq3rEE
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03-29-2017, 08:31 PM
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#9
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How difficult is it to get the old untouched manifolds and and DT in? I've heard you need to loosen the engine mounts and pull it up a bit.
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2005 Sport V8 4WD Gray
Icon Stage 2 | 285/70/17 BFG KM2 | MB 352 17x9" wheels | 42" led light bar | Side Flood/Camp Lights | Uniball UCA's | K&N CAI | Kicker Sub and Amp | Custom DIY Full Length Roof Rack | Trail Gear 67"
Rock Sliders
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03-29-2017, 10:03 PM
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#10
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Quote:
Originally Posted by BOFFROAD
How difficult is it to get the old untouched manifolds and and DT in? I've heard you need to loosen the engine mounts and pull it up a bit.
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I believe you are correct, but I have not done this job myself.
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SOLD 2004 V8 SR5: Toytec 3" w/ SPC UCA | FJ Premium wheels w/ spacers | RCI Skids | DT headers w/ magnaflow cats, custom y-pipe and magnaflow cat-back | 2008 trail roof rack | 1-off custom front bumper w/ Badland winch | Rock Sliders | Tundra front brakes
UPGRADE2016 Limited: OME lift, Shrockworks front bumper, rock sliders and skids, Warn winch, Morrimoto hi/lo's, ECU tuned via GT Peace
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03-29-2017, 10:44 PM
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#11
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Sounds silly but you can actually see some header leaks at night in the dark. Rev the engine and let off and look for the light caused by burning fuel in the headers.
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I currently own 4 T4R 4th Gen
#1) 2003 Sport V8 2WD purchased new, totaled @ 175,000.
#2) 2003 SR5 V8 2WD running w/engine from #1(Son#3 is Driving)
#3) 2003 Sport V8 4WD
#4) 2004 Sport V8 Supercharged 4WD
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03-30-2017, 08:00 AM
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#12
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Quote:
Originally Posted by BOFFROAD
How difficult is it to get the old untouched manifolds and and DT in? I've heard you need to loosen the engine mounts and pull it up a bit.
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Some people say they've done it without taking the engine mounts out, which I did get the old off without touching engine mounts (with 1" body lift), but if you install all the studs into the heads first and then hang the new headers onto them you'll definitely have to tilt the engine up to slide the headers in past the upper coil bucket. It sounds scary but it's really just take out two bolts while the mount still supports the engine and jack it up 2" slide header on and get nuts started, set jack back down, reinstall two engine mount bolts, repeat for other side. There's no opportunity to drop the engine this way, but don't try prove me wrong lol.
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03-29-2017, 10:02 PM
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#13
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Quote:
Originally Posted by blackoutt
Pressurized exhaust and sprayed soapy water everywhere. Only leaks I found were passenger side primary o2 sensor a little and crappy welds way back near the muffler. I think this sound may be inherent to the header design? You can hear the air rush sound after it revs and engine speed is dropping back down.
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You found something at the primary 02 weld? Since you dont have cats it makes a little more sense, but still not ideal.
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SOLD 2004 V8 SR5: Toytec 3" w/ SPC UCA | FJ Premium wheels w/ spacers | RCI Skids | DT headers w/ magnaflow cats, custom y-pipe and magnaflow cat-back | 2008 trail roof rack | 1-off custom front bumper w/ Badland winch | Rock Sliders | Tundra front brakes
UPGRADE2016 Limited: OME lift, Shrockworks front bumper, rock sliders and skids, Warn winch, Morrimoto hi/lo's, ECU tuned via GT Peace
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03-30-2017, 07:54 AM
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#14
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Senior Member
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Quote:
Originally Posted by sprygsxr
You found something at the primary 02 weld? Since you dont have cats it makes a little more sense, but still not ideal.
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I should clarify, this was the O2 sensor gasket, it's a thin crush washer type seal. I backed the sensor out, cleaned everything and retorqued, no more leak. I tried to take more videos on my way to work this morning but it sounds pretty normal on camera. Gotta be in my head. And my lack of fuel economy from my foot. I'm over it except for still wanting a larger Ypipe than stock. URD couldn't answer my questions with any intelligence so they are out, anyone other options or custom only?
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03-30-2017, 10:47 AM
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#15
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Quote:
Originally Posted by blackoutt
I'm over it except for still wanting a larger Ypipe than stock. URD couldn't answer my questions with any intelligence so they are out, anyone other options or custom only?
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I couldnt find jack on a custom/aftermarket y-pipe. I knew the stock 2" with the way toyota crams it into that secondary cat just had to go. Scott @ GT Peace did a great job using the magnaflow y-pipe but did have to hack off a decent amount of my magnaflow cat back to get that and the vibrant resonator in there.
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SOLD 2004 V8 SR5: Toytec 3" w/ SPC UCA | FJ Premium wheels w/ spacers | RCI Skids | DT headers w/ magnaflow cats, custom y-pipe and magnaflow cat-back | 2008 trail roof rack | 1-off custom front bumper w/ Badland winch | Rock Sliders | Tundra front brakes
UPGRADE2016 Limited: OME lift, Shrockworks front bumper, rock sliders and skids, Warn winch, Morrimoto hi/lo's, ECU tuned via GT Peace
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