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Exhaust 5.7 HEMI Exhaust Discussion


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  #1  
Old 05-13-2010, 08:51 PM
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Default Rear resonator removal

Has anyone removed the rear resonator and left the rest of the exhaust stock?
Was wondering if it helped the sound a little. Besides...it's a ugly beast and should be beheaded..ha!
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Old 05-13-2010, 08:54 PM
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My experience may help a bit. When I installed my exhaust system I left the resenator in and listened to it. Then I took it off and listened again, never turned back! I would think that taking it off will make it sound better. The only thing is with the MDS system you might get some drone. If you disable the MDS with the Diablosport Predator you can avoid the drone.

So you can do it but you will probably have a drone when the MDS kicks in. You can use the Predator to disable the MDS which will stop any drone. With the programmer you will also get a good power boost! haha
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Old 05-13-2010, 10:24 PM
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If you do delete the resonator, you'll get a drone when the MDS kicks in as you no longer have the resonator to attenuate the 4 cyl's higher pitch.
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Old 05-13-2010, 10:27 PM
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I have drone in my 09 with no res. Own a flowmaster 40. Kidna loud in the cab and draw attention from a mile away.

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Old 05-13-2010, 11:32 PM
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Mufflex delete kit........with resonators. works great - MDS isn't bad - and surprisingly, she's quiet unless you REALLY get on it (which I do daily!)
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Old 05-14-2010, 11:49 AM
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As of right now, I have my stock exhaust still but cut the resonator off. It does change the sound a bit. I don't really notice any drone, but I drive in Tow/Haul mode in the city and have my tunes blasting on the highway.
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Old 05-14-2010, 08:55 PM
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Doesn't ours have 2 resonators? 1 ahead of the muffler and the other behind? I was referring to removing the rear one....just wondering if it made a difference...thx folks.
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Old 05-14-2010, 09:47 PM
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Ahead of the muffler would be your catalytic converter.

The only difference I see you'd get if you took off the resonator is an insufferable drone when your engine slips into MDS.
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Old 05-23-2010, 10:57 PM
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Yeah I removed the rear one before I put my 40 series on. Honestly didn't make a difference at all, sounded a little deeper when I let off the gas but nothing worth taking it off for. Take off both resonators and it scares the hell outta people hahah but you definitely lose power.
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Old 05-25-2010, 07:57 PM
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In the new trucks you don't need a tuner to kill the MDS. Just blip the shifter down into ERS mode w/ the highest gear set at 5. No MDS and you get all 5 gears.
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