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Old 11-12-2012, 06:06 PM   eBay Motors  #1 (permalink)
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Downpipe install

Thinking about getting this downpipe

2001 2004 GM Cheverolet Duramax Diesel Turbo Direct Downpipe Stainless LB7 | eBay

I believe its made by pypes pn#DTD0104. Wondering if anyone's used this?

Also should i get a new flange gasket for the turbo or does everyone reuse the one on it?

Any other tips are also greatly appreciated!!!
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2003 Medium Green Metallic CC/SB LB7 Duramax
EFI Live With DSP5 | Autometer EGT, Fuel, Boost | LED Dash | MBRP 4" Straight Pipe Exhaust
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Old 11-13-2012, 06:40 AM   eBay Motors  #2 (permalink)
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If you are doing it youirself you may want to read some of the other posts on the subject first. I have a aftermarket downpipe on my truck and the only real difference I seen with it was the exhaust tone. But if you have plenty of time to get it done and up for the challange, go for it.
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Old 11-13-2012, 04:10 PM   eBay Motors  #3 (permalink)
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Did you reuse the gasket? I cant find an install post that says anything about it.
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2003 Medium Green Metallic CC/SB LB7 Duramax
EFI Live With DSP5 | Autometer EGT, Fuel, Boost | LED Dash | MBRP 4" Straight Pipe Exhaust
LML Exhaust Manifold | Diamond Eye Downpipe | PPE Boost Valve | Fass 150 Titanium Pump
Tuff Country 4" Lift | Black And Machined 17" Eagle 197's On 285/70/17 AT3s | Custom Traction Bars
Rare Parts Tie Rods | Custom Steering Brace | Bills Custom AEM Intake | ProEFX Cowl Hood
High Idle Mod | High's/Low's/Fog's All On Mod | DDM 5000k HID's | Debadged | Tinted Lights | 5% Windows
Wishing For A Built Trans!
It's Safe To Say I'm A Little Addicted...
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Old 11-13-2012, 04:23 PM   eBay Motors  #4 (permalink)
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Magna flow makes one cheaper than that and its wrapped.

My mbrp came with a gasket, id expect most kits too. But if the gasket looks ok im sure you can re use it.

Hope youre ready for a PITA job if the bolts dont break loose easily
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Old 11-13-2012, 04:29 PM   eBay Motors  #5 (permalink)
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Magnaflow just came out with that right.
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Old 11-13-2012, 04:44 PM   eBay Motors  #6 (permalink)
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I reused the gasket on mine. Just soak the bolts with a good penatrent, PB blaster, Aerokroil, for a couple of days before hand and take your time, pull the front pipe out of the exhaust and I also removed the bolts for the trans mount and jacked up the trans and engine to get the old one out. Took a little persuading to get the new one in. I noticed lower EGT's, deeper tone, and quicker cool down.
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Old 11-13-2012, 04:51 PM   eBay Motors  #7 (permalink)
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Quote:
Originally Posted by bigjohn View Post
Magnaflow just came out with that right.
I knnow alligator advertised them. 130-135 IIRC. Dirt cheap...I paid 270 for mine. And magnaflow makes quality stuff so id trust it way more than an ebay one...plus supporting a site vender
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Old 11-13-2012, 06:26 PM   eBay Motors  #8 (permalink)
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Quote:
Originally Posted by Thebiggids View Post
Magna flow makes one cheaper than that and its wrapped.

My mbrp came with a gasket, id expect most kits too. But if the gasket looks ok im sure you can re use it.

Hope youre ready for a PITA job if the bolts dont break loose easily
magnaflow makes one for less than $150?
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2003 Medium Green Metallic CC/SB LB7 Duramax
EFI Live With DSP5 | Autometer EGT, Fuel, Boost | LED Dash | MBRP 4" Straight Pipe Exhaust
LML Exhaust Manifold | Diamond Eye Downpipe | PPE Boost Valve | Fass 150 Titanium Pump
Tuff Country 4" Lift | Black And Machined 17" Eagle 197's On 285/70/17 AT3s | Custom Traction Bars
Rare Parts Tie Rods | Custom Steering Brace | Bills Custom AEM Intake | ProEFX Cowl Hood
High Idle Mod | High's/Low's/Fog's All On Mod | DDM 5000k HID's | Debadged | Tinted Lights | 5% Windows
Wishing For A Built Trans!
It's Safe To Say I'm A Little Addicted...
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Old 11-13-2012, 06:28 PM   eBay Motors  #9 (permalink)
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Quote:
Originally Posted by Recker View Post
magnaflow makes one for less than $150?
Pro fab do


Sent from my iPhone using AutoGuide.com App
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Old 11-13-2012, 06:32 PM   eBay Motors  #10 (permalink)
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Quote:
Originally Posted by Brennan View Post
Pro fab do


Sent from my iPhone using AutoGuide.com App
do you like yours?
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2003 Medium Green Metallic CC/SB LB7 Duramax
EFI Live With DSP5 | Autometer EGT, Fuel, Boost | LED Dash | MBRP 4" Straight Pipe Exhaust
LML Exhaust Manifold | Diamond Eye Downpipe | PPE Boost Valve | Fass 150 Titanium Pump
Tuff Country 4" Lift | Black And Machined 17" Eagle 197's On 285/70/17 AT3s | Custom Traction Bars
Rare Parts Tie Rods | Custom Steering Brace | Bills Custom AEM Intake | ProEFX Cowl Hood
High Idle Mod | High's/Low's/Fog's All On Mod | DDM 5000k HID's | Debadged | Tinted Lights | 5% Windows
Wishing For A Built Trans!
It's Safe To Say I'm A Little Addicted...
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