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Exhaust 5.7 HEMI Exhaust Discussion


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  #1  
Old 12-28-2014, 01:45 AM
FlashmasterK FlashmasterK is offline
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Default Resonators

To delete or not delete
That is the question
Whether tis nobler in the mind
To delete and suffer the drone
of outragous MDS
Or take arms against
a sea of naysayers

That is my odd way of asking if I should keep or remove the resonators. I am putting in a borla XR-1 and y pipes and plan on putting in ARH headers down the road.

Pros and cons?
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Old 01-01-2015, 02:17 PM
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I put on 14" magnflow and removed the resonators and truck is loud I'll say that but not much drone at all if any. Truck before this was an 08 with gibson super truck exhaust (without res) and the drone was bad. Sounded like a helicopter landing every time it switched to 4cyl. I guess it depends on the muffler. Whatever you'd decide I would be interested to know how it sounds. Good luck.
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Old 01-01-2015, 04:04 PM
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I have the DynoMax UltraFlo 3" single exhaust, no resonator, and - to be honest with you - I can't even tell when the MDS kicks in. And I know what MDS sounds like - my '10 Silverado has it, and is VERY noticable. May have to do with my 3.21 gears, as at 65 mph or so is running just under the 1800 rpm, where the resonance is at it's peak. No issues at all w/ conversation in-cab being hampered by exhaust noise.
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Old 01-02-2015, 06:52 PM
FlashmasterK FlashmasterK is offline
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Thanks for the info guys. Looks like its time to cut those bad boys out
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Old 01-08-2015, 06:24 PM
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Do those resonators near the exhaust tips do anything mechanically useful that would prove removing them detrimental to the engines health?
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Old 01-10-2015, 04:11 PM
pvollman pvollman is offline
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I removed my resonators yesterday with no issues. Running dual AT 3030 Aero Turbines...no resonators!
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Old 01-12-2015, 01:03 AM
FlashmasterK FlashmasterK is offline
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So I got my muffler in but left the resonators in for now. Ill prob cut them out when I do the headers.

As for the MDS, I couldnt tell before when it kicked in but now with the muffler (Borla XR-1) I def can hear it. Just cant tell if it bothers me or not! I wonder if there is a big difference between the 8sp and 6sp trans when it comes to drone...
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