2011 LML upgrades - Chevy and GMC Duramax Diesel Forum
2011+ LML Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect

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Old 02-07-2011, 09:19 AM   eBay Motors  #1 (permalink)
 
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2011 LML upgrades

I recently purchased a 2011 GMC 2500 HD w/ the Duramax. I was looking to see what upgrades would be available without voiding the factory warrenty. I was thinking of maybe a cold air intake from K&N or Banks and possibly the exhaust, Flowmaster Hushpower for example. I know not all is available yet with just a few choices as of now.Has anyone with the previous models tried these on their own without a programmer. Also would there be any benefits to an aftermarket intercooler as well without a programmer? I know a programmer would make all the difference and that some even advertise that they don't leave a footprint but I don't want to negat the warrenty. Any suggestions?
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Old 02-07-2011, 09:20 AM   eBay Motors  #2 (permalink)
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You're wasting your money on a intake and DPF back exhaust. You won't feel any power difference. Same with the intercooler. Spend you money making it look pretty.

Rims and tires are always a good bet
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Old 02-07-2011, 09:23 AM   eBay Motors  #3 (permalink)
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AFE or stock intake for the LML's. banks is retarded expensive, and K&N is junk. the intakes wont get you better milage anyways so id stick with the stocker..
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Old 02-07-2011, 09:33 AM   eBay Motors  #4 (permalink)
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x2 no sense to waste your money on a CAI or a DPF back exhaust because the DPF, muffler and cat are still there so its still restricted as hell
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Old 02-07-2011, 09:42 AM   eBay Motors  #5 (permalink)
 
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That is pretty much the feel is was getting. I am new to the Deisel market and still have a good bit of learning to do, thanks.
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Old 02-07-2011, 09:46 AM   eBay Motors  #6 (permalink)
 
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Originally Posted by Hondarider552 View Post
AFE or stock intake for the LML's. banks is retarded expensive, and K&N is junk. the intakes wont get you better milage anyways so id stick with the stocker..
All reponses are pretty much the same. Lots of learning to do, thanks.
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Old 02-07-2011, 09:48 AM   eBay Motors  #7 (permalink)
 
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x2 no sense to waste your money on a CAI or a DPF back exhaust because the DPF, muffler and cat are still there so its still restricted as hell
All are is agreement, thanks.
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Old 02-07-2011, 10:19 AM   eBay Motors  #8 (permalink)
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I got a Roll n Lock for my truck.....it's great for keeping things secure and it looks good too.
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Old 04-13-2011, 01:00 AM   eBay Motors  #9 (permalink)
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Originally Posted by maineloggerlbz View Post
x2 no sense to waste your money on a CAI or a DPF back exhaust because the DPF, muffler and cat are still there so its still restricted as hell
Would your last name be Morrison?
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Old 04-28-2011, 04:06 AM   eBay Motors  #10 (permalink)
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Its another case of California tree-huggers ruining performance. Once the warranty ends, then it'll be time to put the after market mods on, and rip out the DPF, DEF, and all the other junk that hurts my engine - and it'll still have less emissions than a gas engine.

(Disclaimer - there's no emissions required for diesel and class 4+ vehicles in PA. Also Ca tree-huggers aren't completely bad.)
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