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| 04.5-05 LLY Performance Parts Discussion Discussion of Performance Parts For the 04.5-05 LLY Duramax Trucks No Advertising |
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10-27-2012, 03:32 PM
| eBay Motors #1 (permalink) |
| Senior Member  Join Date: Aug 2012 Location: New Hampsha'
Posts: 941
| Is this the correct DP clamp? Im most likely going to need a new V band clamp to connect the new exhaust to the stock downpipe. Ive looked a little and only found this one on AlligatorPerformance, just wondering if its the correct one Ill need. 3" V-Band Exhaust Clamp
__________________ Chad 04.5 4x4 ~123k miles DE 4", LBZ MP, KoryWillis Go-go Juice, Insight CTS, ADII, 8' Fisher 'If 40 is the new 20, smoke stacks are the new red car syndrome' Dirtymax this, Dirtymax that...  I like my max's clean |
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10-27-2012, 03:35 PM
| eBay Motors #2 (permalink) |
| Duramax Forum Supporter   Join Date: Feb 2011
Posts: 1,547
| Most aftermarket DP's are 3 inch so yes thats the correct one your looking for. Last edited by DMaxxrus; 10-27-2012 at 03:38 PM. |
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10-27-2012, 05:38 PM
| eBay Motors #3 (permalink) |
| Senior Member Join Date: Aug 2012 Location: New Hampsha'
Posts: 941
| Its a stock downpipe, but Im sure its the same thing, thanks
__________________ Chad 04.5 4x4 ~123k miles DE 4", LBZ MP, KoryWillis Go-go Juice, Insight CTS, ADII, 8' Fisher 'If 40 is the new 20, smoke stacks are the new red car syndrome' Dirtymax this, Dirtymax that... I like my max's clean |
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10-27-2012, 05:43 PM
| eBay Motors #4 (permalink) |
| Duramax Forum Supporter Join Date: Feb 2011
Posts: 1,547
| Just go to the dealer. Most of them have it in stock...that way you dont have to wait. |
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11-13-2012, 09:53 AM
| eBay Motors #5 (permalink) |
| Senior Member Join Date: Aug 2012 Location: New Hampsha'
Posts: 941
| Well I got the 3" clamp from Alligator today, isnt the correct one. I took it to the flange on the new exhaust and its too small, so, I must need the 4" clamp?
__________________ Chad 04.5 4x4 ~123k miles DE 4", LBZ MP, KoryWillis Go-go Juice, Insight CTS, ADII, 8' Fisher 'If 40 is the new 20, smoke stacks are the new red car syndrome' Dirtymax this, Dirtymax that... I like my max's clean |
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11-13-2012, 05:59 PM
| eBay Motors #6 (permalink) |
| Junior Member  Join Date: Nov 2011 Location: Indiana
Posts: 130
| I've got a 5" MBRP turbo back system on my truck. I have since changed downpipes, but when I first got the system it bolted right up to the stock downpipe. The front pipe on my exhuast is actually 4" then switches to 5" further back. I'm kinda confused why the stock clamp wont work.
__________________ 2005 LLY GMC 2500 ecsb 4x4 FPE billet S363/73 turbo HX 40 downpipe Grade c head gaskets w ARP studs All Season EGR delete Y bridge. ASD intercooler pipes PCV re-route. LBZ mp. Nicktane Cat filter adapter S&B dry filter cai. 5" MBRP dp back exhaust Pillar gauges and Edge CTS. EFI Live by Kory Willis, thanks to Willie at Synthetic Motorsports. Stock trans for now.  |
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11-13-2012, 07:59 PM
| eBay Motors #7 (permalink) |
| Senior Member Join Date: Aug 2012 Location: New Hampsha'
Posts: 941
| I havent tried the stock clamp, havent taken the stock exhaust off yet. I had asked here if the 3" was correct, then ordered it from Alligator. Got it today, its not the correct one. A tech from Alligator called me today and said that it needs a 3.5" clamp and that its usually a dealer part, so Im gonna pick one up tomorrow.
__________________ Chad 04.5 4x4 ~123k miles DE 4", LBZ MP, KoryWillis Go-go Juice, Insight CTS, ADII, 8' Fisher 'If 40 is the new 20, smoke stacks are the new red car syndrome' Dirtymax this, Dirtymax that... I like my max's clean |
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11-14-2012, 04:46 AM
| eBay Motors #8 (permalink) |
| Junior Member Join Date: Nov 2011 Location: Indiana
Posts: 130
| Thats what I was thinking. I believe its 3" pipe but the flange is a tad bigger. I was able to soak mine with PB Blaster overnight, remove it, and reuse it with no leaks. Just my.02
__________________ 2005 LLY GMC 2500 ecsb 4x4 FPE billet S363/73 turbo HX 40 downpipe Grade c head gaskets w ARP studs All Season EGR delete Y bridge. ASD intercooler pipes PCV re-route. LBZ mp. Nicktane Cat filter adapter S&B dry filter cai. 5" MBRP dp back exhaust Pillar gauges and Edge CTS. EFI Live by Kory Willis, thanks to Willie at Synthetic Motorsports. Stock trans for now. |
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11-14-2012, 07:38 AM
| eBay Motors #9 (permalink) |
| Senior Member Join Date: Aug 2012 Location: New Hampsha'
Posts: 941
| Yah, Ive sprayed it with PB already in preparation. There's always something that needs replacing or something that gives me a hard time when I work on the vehicles. That clamp is the only thing not supplied w/ the new exhaust, and the stock clamp is rusty so I figure I might as well be prepared. Hopefully I'll have time on Friday to make the switch. Atleast when Im at the stealership I can get some Top end cleaner to do the injectors too at some point.
__________________ Chad 04.5 4x4 ~123k miles DE 4", LBZ MP, KoryWillis Go-go Juice, Insight CTS, ADII, 8' Fisher 'If 40 is the new 20, smoke stacks are the new red car syndrome' Dirtymax this, Dirtymax that... I like my max's clean |
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11-14-2012, 08:15 AM
| eBay Motors #10 (permalink) |
| Go Green!    Join Date: Jun 2010 Location: Coeur D'Alene Idaho
Posts: 4,441
| damn. wish i saw this thread before today. But yeah, larger clamp is needed
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