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LB7 Performance Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines Related To Performance And Longevity

Cutting off the muffler

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  #1  
Old 04-19-2011, 02:48 PM
rhurley's Avatar
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Default Cutting off the muffler
Hey guys. Will taking muffler off the stock system do anything good or bad??

will it cool EGTs or make them higher? improve mileage? make it worse? you see where im going with this.
 
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  #2  
Old 04-19-2011, 05:06 PM
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Default Re: Cutting off the muffler
Mine is all stock with a straightpiped exhaust sounds good didnt notice any mileage increase, it wont do anything bad at all I say for a cheap upgrade gi for it

Sent from my DROIDX using Tapatalk
 
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Old 04-19-2011, 07:08 PM
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The only real change you're gona see is with the noise it wont hurt at all
 
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Old 04-25-2011, 11:41 PM
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Only benefits I would think, engine is breathing easier. But for best sound, I would find you a full 5" system to put on
 
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