3 sensors under the hood need unplugged. In 2011, federal emissions regulations had tightened, so additional measures had to be taken to keep the Duramax compliant, so the LML was the first to be equipped with Selective Catalyst Reduction (or SCR), a system which used a urea-based exhaust fluid to break down harmful nitrogen oxides. I need that loud sound. The newer LML dont need block off plates. Just curious, never heard that before. Powerstroke. Its simple, easy to do and easy to put back to stock, and reasonably priced. 6” exhaust??? Here’s what I am looking at. June 3, 2020; Story By Mike McGlothlin; The LML Duramax left the factory packing 397 hp and 765 lb-ft of torque—but the new, more powerful horsepower and torque numbers weren’t the only changes made for the 2011 model year… This version of GM’s 6.6L common-rail diesel V8 deviates from all others in terms of its injection system. Can you do more? By 2011, the Duramax lineup had already seen four major revisions, starting out with the LB7 in ‘01, moving to the LLY in ’04½, the LBZ in ‘06 and the LMM in ‘07½. Back looking for a duramax again. If deleted, I would recommend running a .5-1oz 2 stroke oil per 1 gallon diesel. When the exhaust runs cold the engine now has to force it out, which creates a loss of power. It may be a little more than my skill level. Ran it for 2 years on Sport Economy (pretty peppy) and just added a lift pump about a month ago. 3. Seeing that it’s illegal on highways in all 50 states? Thanks for the help, no one else even thought on the back side of the turbo, the muffler was so stopped up, good call!!!! Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! A section of heater hose to re route the coolant. You will need to put a plug in the DP where the injector went. Since I just bought this truck and only have 700 miles on it how long should I go before making the plunge? Your V2 will work with a vin. The LML Duramax also didn’t come with an OEM lift pump! Any size you will not really hear it in the cab with the windows up. This is a great option for Duramax owners that would like a nice, quiet, reliable, efficient truck that performs … I am not positive with your duramax but my 17 Ford did not need any plugs etc the EZ just shuts it all off. We also used and still use it like a normal truck. Aug 15, 2008 3,967 5 28 Quncy, Fl. I feel that this high torque gain was brought on to stay competitive with Ford and Dodge, but we will talk about that at another time. Questions: Do I need a lift pump? I have a pre-DPF/DEF truck so I can't really speak to those deletes, but I've heard lots of good things about the EGR delete (which I wish I could do but my county requires smog checks with a visual inspection). 2011 GMC 2500 with a 6.6 Duramax and approx 100k miles. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. I see the LML in the top, more info is always helpful for the guys on here. Apr 25, 2016 #2 I was planning to use the Sinister EGR kit. I kept factory and when you get on it a bit, the constricted downpipe gives that destinctive angry cat hiss sound I call it. Looking to do the same to my truck. I was looking at Freedom diesel combo with exhaust. I have a 5” on my lmm and yes it will be loud, but you will love it and honestly these things are good at insulting so it’s not too loud on the inside. Although it is best to delete the system entirely with a full delete kit, in states that require annual vehicle inspections if you do not have the EGR, your vehicle will not pass. I have a 4" exhaust (inc cat + muffler) with the MBRP 3" downpipe and I think it sounds good without being obnoxious. Ran it for 2 years on Sport Economy (pretty peppy) and just added a lift pump about a month ago. 2001 - 2016 GM Duramax EGR DPF DEF DELETE TUNE EFI Live. I’ve been kicking this around for a while. Deleted and Tuned my LML. Why do a diesel delete? So i could just keep my stock pipes? JavaScript is disabled. I'm looking at getting my first diesel truck. You're looking for the same thing I was, healthy engine and reliability. “Rolling coal” There aren’t inspections in my county in diesels. What has me curious is my EZ does not have any module, I run it all off my phone with an app. Is that about right for a stock turbo or should I expect more on my 2015 LML Duramax. I run 1oz/gal in my truck. Our 2012 GMC Sierra powered by an emissions equipped LML Duramax had over 30 hooks and 10,000 miles just in the 2016 season. Been very happy with it. Is the truck going to be insanely loud without a muffler? My LML is straight piped. What do you guys think about their EGR kit? Registered. VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. The owner keeps it well maintained, but his concern about the longevity of the 6.6L Duramax LML engine’s CP4.2 high-pressure fuel-injection pump finally needs to be addressed. It sees a trailer from time to time and we get after it on the street. Check out motorops, Tony from Ridge runner, or Shane from venom tuning. I did the EGR cooler delete (it's a pain in the ass), 4 inch straight pipe with a AutoCal tuner from MotorOps. Injectors? New comments cannot be posted and votes cannot be cast, Press J to jump to the feed. Actually, more and more people are tuning their 2011 + Duramax (LML) with the emissions equipment intact. How does a blocker plate fail? I think the 3rd party “warranties” are bullshit anyway. Sold my LMM last year to downgrade to a gasser and although it was an LS2 it still didn’t do it for me. I want a tow tune and quiet muffler. PCV reroute while your in their. My friend has a 5" exhaust with no cat or muffler and in my opinion it's too loud. A mild tune. For a better experience, please enable JavaScript in your browser before proceeding. I am trying to wrap my head around the best way to delete my 15 LML. I found a 2012 LML. Google "h&s lml delete" and you'll find pictures of where they are. For me, the best way was PPEI tune with EFI live, delete pipe behind CAT, and unplugging. That's if you don't upgrade the DP. When the L5P was released in 2017 it brought with it some major torque, 910 lb-ft to be exact. On my LBZ I used; 1. The best way is an opinion that many may not share. For my LML I did just my programmer and exhaust. Are you the owner of a new diesel or trying to decide if your new truck will be gas or diesel? Best of luck, if you have questions holler at me. So, to troubleshoot, simply swap out the old filter for a new one and see if the problem goes away. LB7 up pipe. You can get 1gal jugs at Walmart for $13. Is the CAT fuel filter conversion a good idea? Unless you plan on making big HP, you don't need 6-inch exhaust. There are no inspections on diesel trucks in GA. LB7 LLY LBZ LMM LML. Performance Roadblocks of the LML Duramax. ! If it is DPF equipped (LML that isn't deleted) you have to be careful with additives. Wanna say is a 12mm. The exhaust is a 5" Flo Pro from the downpipe back. Also included in the emissions arsenal was a 9th i… Can't Find Exactly what you're looking for?Contact us!We can track down almost anything for your Duramax. I’d like to find a shop to do the work. What kit should I buy. The respectable torque of the LML carried the Duramax for 6 years before the heavy hitting L5P was released. My 4” drones enough as is and I actually like loud exhausts. I just deleted my 13 LML, it has the stock exhaust with a custom delete pipe from the turbo inlet to where the DPF used to be. As of now I have no other modifications and the truck gets 17-19 city and 20-23 highway. Just keep the engine healthy and reliable. I did it this way so I could get rid of everything along with the cat since I have no intentions of returning it to stock. I am trying to wrap my head around the best way to delete my 15 LML. While a gas engine might make it 75k before a filter change, it should be common practice to change a Duramax fuel filter every 10,000 miles. Obviously, your rig wouldn’t roll out of GM like that, but that doesn’t mean you couldn’t build it yourself. Pulled and disposed of the EGR / cooler and Cat. EGR delete with Y bridge upgrade/bypass 6” exhaust. i just rolled 40K on my LML and she is getting deleted shortly. How would I check when I'm looking at it? Follow 9th injector line to pump. DEF delete. This Tech Tip has been written in an attempt to educate and minimize time spent on the phone discussing something that shouldn’t be so complicated. You'll love the delete, it was worth giving up the warranty for those sweet sweet turbo noises. 2. In fact, you most likely don't even need 5-inch exhaust. I tow the family camper with the truck. Cowmaro Apparel:http://jdads.bigcartel.com/product/cowmaro-teeSubscribe, comment and likeFollow Me!! I am running stock power with EFI Live tuning. Was dead set on LMM again and this time I would do mods but now hearing that LML might be better. 5. It is a very simple process just put the pipe in and connect to the truck. As far as tunes it depends on where you get it. Please Note: Due To COVID-19, Couriers are currently experiencing delays. My LML is straight piped. Why is this the best for me? I feel like it is loud so I just go easy on it in neighborhoods. S. S Phinney Active member. What issues should I be concerned about? I did the EGR cooler delete (it's a pain in the ass), 4 inch straight pipe with a AutoCal tuner from MotorOps. I have a 2013 that I use for hotshot hauling full time.At 143k … Got 5" straight sitting on my shop floor and just need the down pipe to show up and she is getting it:woott::woott: kiwilml Member. … Nov 4, 2015 454 0 16. There's no performance benefit and I live in a subdivision so I don't want my neighbors to hate me as well as being "that guy" with the overly loud diesel everywhere I go. The truck is under a 3rd party warranty. I’m not looking to hot rod. This will be my second LML with a full delete. With the DEF in place, all components remain in place and the run just shuts it down? Good morning Tool Hut, I deleted the muffler and went from 15psi to 33psi. Thanks for the advice. We’ve done several straight 4” LML and they are surprisingly quiet. I want to do a total delete on my LML for reliability reasons. 2011-2015 Chevy/GMC Duramax Diesel 6.6 LML | DPF & EGR Delete Kits The 11-15 GM Duramax is equipped with a diesel particulate filter. Shop 2015-2016 Duramax LML Performance Parts with Dirty Diesel Customs! Any comments and recommendations will be greatly appreciated! My last truck I did at 10K. The truck took 5 First Place finishes and was in the top three at 11 separate sled pulls. Save Duties and Brokerage; Shop Canadian! These newer body’s are heavily noise insulated. Plus you will have a little more fuel capabilities for your wanted extra HP. Did you every get any clarification? DELETING MY LML DURAMAX! The use of an aftermarket fuel filtration system and lift pump can help prolong the life of the injection pump and also improve fuel quality. T. tbelue New member. Duramax EGR Blocker vs. EGR Disable vs. EGR Delete Warning: Emissions tampering is unlawful on any motor vehicle used for on road purposes in the US. The shops I've talked to around here won't work on anything illegal, since the trouble they would get in isn't worth the risk, but your results may vary. This means the injection pump has to work extremely hard to supply the engine with fuel. compatible with 2001 Chevrolet Chevy GMC 2500 3500 Duramax 6.6L 2002 Chevrolet Chevy GMC 2500 3500 Duramax 6.6L 2003 Chevrolet Chevy GMC 2500 3500 Duramax 6.6L 2004 Chevrolet Chevy GMC 2500 3500 Duramax 6.6L 2005 Chevrolet Chevy GMC 2500 3500 Duramax 6.6L 2006 Chevrolet Chevy GMC 2500 3500 Duramax … I’m willing to forfeit. Only thing I'd do different is do the downpipe when you do the delete. DuramaxTuner.com's SPADE is capable of adding up to 135HP to your EMISSIONS INTACT LML. Fifth Generation Duramax Electronics/Tuners. clears codes. There are a few alternatives to a full delete such as a blocker plate to stop the EGR valve from opening, or on some models you can simply have a tuner disable it from the computer. Visual or otherwise. Should I delete my Diesel? Are there shops that will do this? I've never heard of a 6" exhaust unless you're talking about the tip, but the outlet of the turbo is 3", so there's really to benefit to running anything larger than that except for sound(although the 3" downpipe does help). Jun 8, 2018 #9 I just got a 16 lml with 21k about 3 weeks ago.. A week later it was tuned and deleted with a 5" straight and I love it! Best truck I've ever owned and I'd like to keep it forever but a few weeks ago it started throwing a code for a defective EGR valve. My local dealer did a manual re-gen and cleared the code which worked for a while. I feel like it is loud so I just go easy on it in neighborhoods. Now the code is back and the dealer wants over $2k to replace the EGR valve. 143 Posts #3 • Sep 14, 2015. Imagine driving a brand new Duramax with twice the factory horsepower. Thanks to a host of high quality, well-refined products being offered throughout the diesel aftermarket, it’s not hard to get a 2011-2015 LML Duramax-powered truck up to speed in a hurry. 6” exhaust will be extremely obnoxious. Another question. 4. Runs great. Been very happy with it. Stick a bolt in it. Also I know for fact you need a tune with an EGR delete (beyond just regular EFILive etc. Water pump? One 6” LML and still quiet at idle driving, With that truck having a cp4 and you pulling frequently then yes a lift pump is highly recommended, Also good move on no y pipe post egr delete, blocker plates are garbage and will fail eventually. These are all opinions, buy what you want 4,5,or6 will be no louder then the next what makes it loud is removing the cat and the muffler along with the dpf. DPF delete. This is my first diesel. Press question mark to learn the rest of the keyboard shortcuts. Overheating? Sure, but it's not necessary, 2016 Chevy 2500HD Duramax with EFI Live PPEI, 2" Zone Level Kit, Moto Metal 970 wheels, Nitto Terra Grappler G2 305 65r 18 Tires, Tinted LED Tails, Custom interior lighting.:drink. You should be fine without the lift pump for now as long as you don't crank it up and or beat the hell out of your truck. Apr 8, 2016 18 0 0 Alabama. I don’t want to be that guy. Did you know there is no reason to delete the emissions from your 2011-2016 Duramax? Exhaust systems are designed to heat up, this creates a chimney effect which helps to draw the exhaust out. Plates to block off the intake tube EGR openings. This is why we recommend an aftermarket lift pump from Fass or Air Dog. As the filter clogs with dirt and debris, fuel flow is impeded, and the pump can’t generate the desired pressure. 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Contact us! we can track down almost anything for your wanted HP! Far as tunes it depends on where you get it people are tuning their 2011 + Duramax LML. In your browser before proceeding diesel truck find Exactly what you 're looking for? Contact us! we track. Old filter for a while, healthy engine and reliability s LML delete '' and you 'll love the.. I… Imagine driving a brand new Duramax with twice the factory horsepower the intake tube EGR openings 50?. Use it like a normal truck diesel owners and enthusiasts we also used and still use it like normal! A better experience, please enable JavaScript in your browser before proceeding would I check when I looking! We also used and still use it like a normal truck turbo should. Cleared the code is back and the truck gets 17-19 city and 20-23 highway 2016 2. 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