MBRP downpipe - Chevy and GMC Duramax Diesel Forum

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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post #1 of 38 (permalink) Old 07-11-2011, 10:48 PM Thread Starter
 
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MBRP downpipe

Is buying the 3 Inch MBRP downpipe for my LLY worth it
and how hard is the installation
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post #2 of 38 (permalink) Old 07-11-2011, 10:49 PM
saw what you did there
 
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Yes. It's very worth it. I think it's much easier on the older trucks

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post #3 of 38 (permalink) Old 07-11-2011, 10:51 PM
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totally worth it... buuuttttttt the mbrp have been fitting a little hard... i would go diamond eye

2005 chevy 4dr SB, Garret 4094-stage-2!! EFI. EDGE CTS ROB FROM IDAHO, 8" Fabteach, 37" pro comps on 18s, straight exhaust AFE intake with mouthpiece, blacked out, custom one of a kind cab lights. full stereo with fosgate shallow 12, FabTech Tie rods. Cognito idler and pitman saver. custom traction bars, Viper Remote Start FOR IPHONE, bd blow off valve. rhino liner Theres More Just Cant Think Of It.. TRAIN HORN!!!!, Diamond Eye DP, Radar/laser Detector--AND JAMMER. fox gauges. air ride bags/ with on board air..Mag Tech Diff Cover
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post #4 of 38 (permalink) Old 07-11-2011, 11:02 PM
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I like the profabs myself.
Cheaper and great quality.
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post #5 of 38 (permalink) Old 07-12-2011, 03:39 AM
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I have a MBRP downpipe,but if I was to do it over I would go PROFAB.


06 cclb 3500 single lbz
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post #6 of 38 (permalink) Old 07-12-2011, 08:24 PM
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Don't mean to hijack, but I have the same truck and was wondering about that mod too. But, how does that fit in with California emissions? Thanks.

2004.5 2500HD LLY
35" Toyo's on 17" Mickey Thompson's
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post #7 of 38 (permalink) Old 07-12-2011, 08:26 PM
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I'm going with ProFab next week.

Truck: 2004 GMC 3500 CC DRW LB7
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4" front pipe with muffler delete
6" Tuff country with 35s"
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post #8 of 38 (permalink) Old 07-12-2011, 09:37 PM Thread Starter
 
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i was also thinking about a MBRP stainless 5 Inch turbo back exhaust too what do you guys think about that system is it good bad or is there any better brand or systems you guys would go with thanks
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post #9 of 38 (permalink) Old 07-13-2011, 06:07 AM
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it dosnt efect emissions at all. The stock downpipe is f up very restrictive.


06 cclb 3500 single lbz
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post #10 of 38 (permalink) Old 07-22-2011, 09:55 AM
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I just installed the MBRP downpipe and Cat delete front pipe. Between the 2 of those, I think they have made the biggest difference in performance that I have seen. It was a complete PIA to do the job but totally worth it.

04.5 Chevy 2500 4x4 CC SB LLY
Torsion Bars cranked, Tie rod sleeves, 285x75r16"s, Leather, Aluminum transfer tank
Mods: INJEN Intake, AFE Mouth Piece, MBRP Downpipe to 4" cat delete , EGR deleted, Airdog 2, 4094 Turbo, New Head gaskets w/ ARP studs, Edge Insight CS with EFI live by Rob and a Mike L. tranny
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