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2011 challenger exhaust "drone" #1503220 09/17/13 05:15 PM 09/17/13 05:15 PM
Joined: Mar 2009 Posts: 313 south central nebraska G GI Moparman OP enthusiast
GI Moparman OP enthusiast G Joined: Mar 2009 Posts: 313 south central nebraska	I have a muffler shop and have been doing this for over 15 years. I have an older gentleman that brought in a 11 challenger with a 5.7 and we cut the resonators off the back of his car. Sounded great at idle and under a load but at cruising speed and certain rpms it has a terrible drone sound that he doesn't like. Ive done this to other chargers, 300s and challengers and never had a complaint. We put his resonators back on but he is still in search of "sound". Magnaflow and Flowmaster tech is no help. Anyone got any ideas?

Re: 2011 challenger exhaust "drone" [Re: GI Moparman] #1503221 09/17/13 05:19 PM 09/17/13 05:19 PM
Joined: Jun 2005 Posts: 4,442 Texas D Daty Rogers World's Greatest Husband. I love you Robyn
Daty Rogers World's Greatest Husband. I love you Robyn D Joined: Jun 2005 Posts: 4,442 Texas	I used MBRP cat-back on mine, sounds good and no drone, 010 R/T. http://mbrpautomotive.com/index.php?page...r&year=2011 edit, mine is a stick so no mds. -Daty

Re: 2011 challenger exhaust "drone" [Re: GI Moparman] #1503222 09/17/13 05:32 PM 09/17/13 05:32 PM
Joined: Feb 2012 Posts: 4,467 Morristown Tn. 7 71birdJ68 master
71birdJ68 master 7 Joined: Feb 2012 Posts: 4,467 Morristown Tn.	Is it the one that cuts back to 4 cyls at cruse? I sons Magnum did that, and it would drive you crazy.Sounds great when running 8. I also talked to a man that had the same problem.

Re: 2011 challenger exhaust "drone" [Re: 71birdJ68] #1503223 09/18/13 11:19 PM 09/18/13 11:19 PM
Joined: Jan 2003 Posts: 16,123 Grand Haven, MI patrick I Live Here
patrick I Live Here Joined: Jan 2003 Posts: 16,123 Grand Haven, MI	check out solo performance's cat back or on the cheap, keep the resonators in the back, and eliminate the mufflers under the floor.... 1976 Spinnaker White Plymouth Duster, /6 A833OD 1986 Silver/Twilight Blue Chrysler 5th Ave HotRod SOLD!* 2011 Toxic Orange Dodge Charger R/T 2017 Grand Cherokee Overland 2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)

Re: 2011 challenger exhaust "drone" [Re: 71birdJ68] #1503224 09/19/13 11:28 AM 09/19/13 11:28 AM
Joined: Jan 2003 Posts: 20,232 Park Forest, IL slantzilla Too Many Posts
slantzilla Too Many Posts Joined: Jan 2003 Posts: 20,232 Park Forest, IL	Quote: Is it the one that cuts back to 4 cyls at cruse? I sons Magnum did that, and it would drive you crazy.Sounds great when running 8. I also talked to a man that had the same problem. That was the first thing I thought of. Can't you go in the dash menu and turn it off? "Everybody funny, now you funny too."

Re: 2011 challenger exhaust "drone" [Re: slantzilla] #1503225 09/19/13 11:35 AM 09/19/13 11:35 AM
Joined: Jan 2003 Posts: 6,497 N.E. Ohio K KillerBee master
KillerBee master K Joined: Jan 2003 Posts: 6,497 N.E. Ohio	Quote: Quote: Is it the one that cuts back to 4 cyls at cruse? I sons Magnum did that, and it would drive you crazy.Sounds great when running 8. I also talked to a man that had the same problem. That was the first thing I thought of. Can't you go in the dash menu and turn it off? The droan is very common with the MDS equipped cars when replacing/modifying factory exhaust. The better $$$ aftermarket Cat Back systems usually have mufflers and rear resonators to eliminate the droan problem. I believe it takes an aftermarket programmer, (like a Predator), to turn the MDS off.

Re: 2011 challenger exhaust "drone" [Re: KillerBee] #1503226 09/19/13 11:42 AM 09/19/13 11:42 AM
Joined: Aug 2010 Posts: 632 Casco, MI Savoy1964 mopar
Savoy1964 mopar Joined: Aug 2010 Posts: 632 Casco, MI	When you use autostick MDS is off but you can still have drone at certain speeds. Borla and Mopar sell the $$$ system that has no drone. Last edited by Savoy1964; 09/19/13 11:44 AM. 2003 Dodge 3500 Diesel 1964 Plymouth Savoy White 2dr sdn. 512 stroked, Dominator, New Best 9.75 @ 138.50mph 2019 Challenger Scat Pack 1320 White Knuckle-K&N Cold air filter, Billit Oil catch can, drag radials stock 11.911 @ 114mph

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