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Dynomax 17784 Super Turbo drone #1278399 08/02/12 07:38 PM 08/02/12 07:38 PM
Joined: Jul 2005 Posts: 141 MN M mnguy55 OP member
mnguy55 OP member M Joined: Jul 2005 Posts: 141 MN	I just put a new TTI system on my 100% stock 70 Charger R/T. It is the 2/5" H pipe with manifolds and Dynomax Super Turbo mufflers. The mufflers have bad drone and I an looking for something quieter with no drone but the only thing I am finding that is a direct repacement (no pipe cutting) is Walker Quiet Flow 3 mufflers which I think are a OEM type muffler. Anyone else know of any other quieter direct fit replacements for the Dynomax 17784

Re: Dynomax 17784 Super Turbo drone [Re: mnguy55] #1278400 08/02/12 07:59 PM 08/02/12 07:59 PM
Joined: Mar 2005 Posts: 3,145 Central NC gch master
gch master Joined: Mar 2005 Posts: 3,145 Central NC	They can have a drone around 2000rpm.You can install two resonators in the tailpipes(a bullet muffler works good). Otherwise you will lose flow or go to a louder muffler. I think accurate ltd has a high flow muffler w/o the drone as well.Or the dynomax muffler with the flap inside that opens under pressure. Last edited by gch; 08/02/12 08:00 PM.

Re: Dynomax 17784 Super Turbo drone [Re: gch] #1278401 08/02/12 08:50 PM 08/02/12 08:50 PM
Joined: Jan 2003 Posts: 12,158 Benton, IL. D DaveRS23 Special needs idiot
DaveRS23 Special needs idiot D Joined: Jan 2003 Posts: 12,158 Benton, IL.	Quote: They can have a drone around 2000rpm.You can install two resonators in the tailpipes(a bullet muffler works good). I use a pair of cheap bullets behind the axle to kill the drone. Cheaper and easier than redoing the entire system. Master, again and still

Re: Dynomax 17784 Super Turbo drone [Re: gch] #1278402 08/02/12 08:51 PM 08/02/12 08:51 PM
Joined: Jul 2005 Posts: 141 MN M mnguy55 OP member
mnguy55 OP member M Joined: Jul 2005 Posts: 141 MN	They drone bad at about 40 and 60 MPH. If I drove 30 or 50 all the time they sound fine.

Re: Dynomax 17784 Super Turbo drone [Re: mnguy55] #1278403 08/02/12 09:00 PM 08/02/12 09:00 PM
Joined: Jul 2005 Posts: 141 MN M mnguy55 OP member
mnguy55 OP member M Joined: Jul 2005 Posts: 141 MN	These look to be the same size and a OEM noise level muffler. I wonder how these wold sound on a stock 440 HP with the 2.5" H pipe system? Kind of like a new hemi truck, a little growl but generally pretty quiet? Has anyone ever used the Dynomax gaurantee, sent back new mufflers you didnt like? Mine are less than a week old but I am going to do something. They are as loud (a differnt type of noise though) at 40 & 60 as my old glass packs are all the time and I was looking forward to driving down the highway and not getting a headache.

Re: Dynomax 17784 Super Turbo drone [Re: mnguy55] #1278404 08/02/12 09:33 PM 08/02/12 09:33 PM
Joined: Sep 2007 Posts: 14,889 up yours Supercuda About to go away
Supercuda About to go away Joined: Sep 2007 Posts: 14,889 up yours	never had a problem with Super Turbos droning. Might want to double check the entire exhaust system routing and ensure nothing is rubbing and it is all isolated. They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.

Re: Dynomax 17784 Super Turbo drone [Re: Supercuda] #1278405 08/02/12 09:36 PM 08/02/12 09:36 PM
Joined: Mar 2003 Posts: 4,848 Memphis HemiRick master
HemiRick master Joined: Mar 2003 Posts: 4,848 Memphis	My dynomaxs drone at idle in a 2.5 inch TTI x pipe system in an e body. Take care, Rick 68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451

Re: Dynomax 17784 Super Turbo drone [Re: HemiRick] #1278406 08/02/12 09:49 PM 08/02/12 09:49 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	send em back & replace with a different type or easiest would be to add some glasspack/bullit type resonators alongside the leaf springs live every 24 hour block of time like it's your last day on earth

Re: Dynomax 17784 Super Turbo drone [Re: Supercuda] #1278407 08/02/12 10:34 PM 08/02/12 10:34 PM
Joined: Jun 2009 Posts: 644 Minnesota Barnstorm mopar
Barnstorm mopar Joined: Jun 2009 Posts: 644 Minnesota	My big block Chevelle had a nasty drone and an ungodly rap accelerating...put a 1/2in open spacer under the carb and changed it all for the better....open the plenum up. The little old lady from Pasadena is back!

Re: Dynomax 17784 Super Turbo drone [Re: mnguy55] #1278408 08/02/12 11:18 PM 08/02/12 11:18 PM
Joined: Jul 2005 Posts: 141 MN M mnguy55 OP member
mnguy55 OP member M Joined: Jul 2005 Posts: 141 MN	I forgot to post the link. What do you think it will sound like with these? http://www.summitracing.com/parts/WLK-21426/

Re: Dynomax 17784 Super Turbo drone [Re: mnguy55] #1278409 08/02/12 11:31 PM 08/02/12 11:31 PM
Joined: Jan 2003 Posts: 9,436 Blair County,PA 62maxwgn master
62maxwgn master Joined: Jan 2003 Posts: 9,436 Blair County,PA	The 17747 Super Turbo Hemi replacement will solve your problem if headpipe size is same as O.E.M.

Re: Dynomax 17784 Super Turbo drone [Re: 62maxwgn] #1278410 08/02/12 11:58 PM 08/02/12 11:58 PM
Joined: Jul 2005 Posts: 141 MN M mnguy55 OP member
mnguy55 OP member M Joined: Jul 2005 Posts: 141 MN	This appears to be the same muffler I have except with 2.25" pipes instead of 2.5"

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