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Go Back   Chevy and GMC Duramax Diesel Forum > Chevy / GMC Duramax 04.5-05 LLY Forum > 04.5-05 LLY Performance Parts Discussion
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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 05-11-2009, 08:25 PM   eBay Motors   #1 (permalink)
Skyhighsami
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stock exhaust minus muffler vs MRBP 4"

I have a friend that has an exhaust that a customer bought, drove for a little while and decided he wanted stock back. It is a 4 inch aluminized MRBP up pipe back. Right now I have an all stock 3500 with the only mod being muffler delete. Would getting the MRBP exhaust and a Diamond Eye downpipe be worth it or should I just get a complete Diamond Eye system? My exhaust now without the muffler isn't too bad but I wished it was a little louder but not so loud that it would drone. I do still have the stock cat right now. My options are, get the MRBP and maybe a LBZ mouthpiece or get the Diamond Eye downpipe and the MRBP exhaust and do the rest later or leave it stock right now until I get it lowered and such. What are opinions? I knew that yall would have the answers.
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Old 05-11-2009, 09:08 PM   eBay Motors   #2 (permalink)
Toypuller
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that would work fine. You really dont need the diamond eye downpipe until you are making rediculous hp. 550+
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Old 05-11-2009, 09:59 PM   eBay Motors   #3 (permalink)
turbodax
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get rid of your cat. you will get the extra noise your looking for
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Old 05-11-2009, 10:21 PM   eBay Motors   #4 (permalink)
gr8shot
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Whatever you do, I would do the mouthpiece first. If he'll make ya a deal on the exhaust, then jump on it. If not, just get rid of your cat. It's not terribly loud until full throttle. And IDK if there would be drone issues with stock pipe or not.
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