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Old Mar 17, 2010 | 07:33 PM
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Interesting New Muffler

Was poking around the Dynomax site and came across a new muffler being released shortly. Has an interesting valve design which is supposed to help keep th edrone at bay. Dynomax Performance Exhaust | Mufflers | Dynomax VT Muffler
 
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Old Jul 9, 2010 | 08:02 AM
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Ill let you know i took the plunge and have a new dynomax Vt 3 inch in and out is going on the 93 with the 347. i'm a little worried , but anything is better than the Dronemaster delta 40.
 
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Old Jul 9, 2010 | 08:49 AM
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It about time someone started doing that. OEM has done it for years. Its a real shame their muffler needs one. I don't have drone problems.
 
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Old Jul 10, 2010 | 07:00 PM
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Just got the Dyno VT installed! Its pretty sweet it was a direct swap for the delta 40 took less then a hour. Its a totally different sound and much quieter sounds like a normal truck at idle until you get on it. I took it out on the freeway and the only time it starts getting loud is up a grade when i start rolling on the throttle to hold 75-80 which makes sence as the flow increases the gate opens wider and its a straight shot though the muffler. I think about half the muffler is like a turbo then the other half is the gate set up. i have enough room i would amost perfer it being alittle longer and add to the turbo section to tone down the noise even more when you jump on the throttle in town. BY the way the drone is gone!!
 
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