Stock Vs. Aftermarket mouthpiece - Chevy and GMC Duramax Diesel Forum
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Old 01-07-2013, 11:06 PM   eBay Motors  #1 (permalink)
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Stock Vs. Aftermarket mouthpiece

Just a helpful comparison for those of you who were contemplating an upgraded mouthpiece for your LLY... Here are a couple pictures comparing the inlet size difference between stock LLY and AFE bladerunner. One of the best supporting mods you can do IMO for the LLY.
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Old 01-07-2013, 11:58 PM   eBay Motors  #2 (permalink)
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I'll take the shiny one.
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Old 01-08-2013, 03:09 AM   eBay Motors  #3 (permalink)
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S&b or LBZ mouthpiece. They flow about the same and are better than the LLY and AFE.
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Old 01-08-2013, 04:53 AM   eBay Motors  #4 (permalink)
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Quote:
Originally Posted by KentCountyCoal View Post
Just a helpful comparison for those of you who were contemplating an upgraded mouthpiece for your LLY... Here are a couple pictures comparing the inlet size difference between stock LLY and AFE bladerunner. One of the best supporting mods you can do IMO for the LLY.
X2!
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Old 01-08-2013, 06:03 AM   eBay Motors  #5 (permalink)
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Lbz has a bigger inlet and is cheaper.
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Old 01-08-2013, 03:41 PM   eBay Motors  #6 (permalink)
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got it as one of the package deals (intake and MP), im sure the others are just as nice or better. cant complain about it tho!
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Old 01-09-2013, 07:56 PM   eBay Motors  #7 (permalink)
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Lbz has a bigger inlet and is cheaper.
This ^^^
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Old 01-10-2013, 05:00 AM   eBay Motors  #8 (permalink)
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Unless you were talking ET times on max effort tunes I doubt you'd see any performance difference between any of the turbo mouthpiece options (AFE, S&B, LBZ, Kodiak, etc). Then it just comes down to ease of install vs cost vs aesthetics.
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Old 01-10-2013, 05:10 AM   eBay Motors  #9 (permalink)
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LBZ...
And there is no comparison to the crappy stock LLY mouthpiece!
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Old 01-10-2013, 05:15 AM   eBay Motors  #10 (permalink)
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Quote:
Originally Posted by KentCountyCoal View Post
Just a helpful comparison for those of you who were contemplating an upgraded mouthpiece for your LLY... Here are a couple pictures comparing the inlet size difference between stock LLY and AFE bladerunner. One of the best supporting mods you can do IMO for the LLY.
The internal casting of every AFE pic I have seen always look so rough!
You would think for a $200+ add on it would be polished and smooth??
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2005 GMC 2500HD 4x4 Duramax Allison Denali Headlights 285/55R20 Nitto Terra Grapplers on Black/Machined XD Hoss -12 Offset MBRP 4" Stainless Turbo Back Diamond Eye Turbo Direct Pipe LBZ Mouthpiece EGR Blocked & Cooler Bypassed PPE Standard Level 4 Autometer Cobalt Boost Gauge EDGE Insight CTS w/ EGT Probe Head Gaskets & Studs @ 145,000 MILES

Check out some pics HERE
HERE
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