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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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Old 11-25-2012, 11:57 AM   eBay Motors  #1 (permalink)
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Downpipe

Currently have a MBRP downpipe to MBRP 4" exhaust. I'd like to upgrade to 5" exhaust but I'm leaning towards a Flo-pro system. Just wondering if the MBRP downpipe will work with the Flo-pro system or if I'd have to change the downpipe aswell?
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Old 11-25-2012, 12:23 PM   eBay Motors  #2 (permalink)
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Yep sure will you are in the clear! I would go back with MBRP though. Flowpro fits like shit


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Old 12-03-2012, 06:26 PM   eBay Motors  #3 (permalink)
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Happy with my 5" DE.
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Old 12-04-2012, 06:51 AM   eBay Motors  #4 (permalink)
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my understanding is unless you are running heavy mods the 5" exhaust is unnecessary.. Am I wrong with this perception?
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Old 12-08-2012, 09:12 AM   eBay Motors  #5 (permalink)
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Flo pro here. Fitment is fine.
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Old 12-08-2012, 09:44 AM   eBay Motors  #6 (permalink)
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The difference in 4" & 5" is the sound, power doesn't matter. Also, MBRP fitment < Diamond Eye & Flo-Pro.


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Old 12-09-2012, 09:58 PM   eBay Motors  #7 (permalink)
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I'd go with mbrp.


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Old 12-09-2012, 10:18 PM   eBay Motors  #8 (permalink)
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Quote:
Originally Posted by whiteoutlly View Post
I'd go with mbrp.


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Why?

Buy the exhaust, as stated the sound is the only difference.
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Old 12-09-2012, 10:28 PM   eBay Motors  #9 (permalink)
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Sound and looks. I love my DE 5 inch
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