MBRP downpipe install? problems? - Page 2 - Chevy and GMC Duramax Diesel Forum
06-07 LBZ & LLY Performance Parts Discussion Discussion of Performance Parts For the 06-07.5 LBZ/LLY Duramax Trucks No Advertising

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post #11 of 18 (permalink) Old 09-21-2009, 10:39 AM Thread Starter
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thanks alot guys!

2006 LBZ 2X4,cc/sb, 5" MBRP turbo back, MBRP downpipe, EGR blocker plate, 30% tint, linex, cobalt boost/pyro guages, AFE intercooler pipe, PPE tuned.............

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post #12 of 18 (permalink) Old 03-27-2016, 09:41 AM
 
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I own a 2005 lly Duramax I just installed the mbrp 3" down pipe and I lost a lot of power and torque from doing so all clamps are tight and no leaks this is a problem that's not making sense to me at all. Any one else have this problem??
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post #13 of 18 (permalink) Old 03-27-2016, 02:33 PM
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Did you unplug something you didn't mean to? Has no affect whatsoever on hp...just sound

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06 LBZ ECLB
Gauges, DP Tunes, 5" Dumped, Trans by Evan @ Limitless Diesel,
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post #14 of 18 (permalink) Old 03-27-2016, 03:19 PM
 
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There just 2 clamps no sensors wires or anything.
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post #15 of 18 (permalink) Old 03-27-2016, 03:20 PM
 
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But I did go back three and make sure there was not u plugged wires from working on the down pipe they were all good. I out the stock down pipe back on and the power came back
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post #16 of 18 (permalink) Old 03-27-2016, 05:02 PM
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I had a mechanic friend put on my mbrp downpipe. Only problem he had was the stock one was a pain to remove. No issues installing the mbrp one. Matched up fine.
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EFI Live From CCS, 2007 White Ex LBZ, 4 Inch MBRP exhaust, 3 Inch MBRP Downpipe, Trans Go Jr, PCV Reroute, Cognito UCA, Rare Parts G2 Tie Rods, EGR Blocker Plate, S&B CAI, 2016 Sierra Rear Bumper
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post #17 of 18 (permalink) Old 03-28-2016, 07:33 AM
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My MBRP was easy to install but the OEM one was a bane to the truck's existence! Sounds great with a little more throaty sound and noticeably faster boost up over the OEM...Than again, I also installed a 4" exhaust at the same time...I had some electrical connections I needed to reconnect and after that it was as good as gold!

2007 GMC 2500 SLT Classic
|Airbox Mod|PCV Reroute|Nictane FFA|AD2-150 w/ Bean's Sump|SDP EGR Delete|MBRP 4" Exhaust & DP|EFI-Live|TransGo Jr|Pump Rub Fix
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post #18 of 18 (permalink) Old 06-03-2019, 02:13 PM
 
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I didn't have an issue getting the MBRP down pipe on the turbo, but when i went to bolt it to the up pipe the brackets don't line up. I have an '07 LBZ duramax with the egr deleted and an LB7 up pipe to replace the factory LBZ up pipe that has the third leg for the EGR. Anyone ever heard of this being an issue. I have spoken to MBRP and they say that i should check that the braket on the up pipe hasnt shifted, but how its welded in place?? They also say they havent tested that down pipe with an LB7 up pipe but its the same thing as an LBZ just minus the "third leg".
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