WARNING! Charger Daytona Stock Exhaust is just fine -- MAGNAFLOW DRONE NOISE WARNING!

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WARNING! Charger Daytona Stock Exhaust is just fine -- ... - 4/24/2006 5:27:49 AM    mnboy   Posts: 714 Joined: 1/27/2006 Status: offline Don't make a $700 mistake like I did. Exhaust tones are certainly a point of preference -- loud, soft and in between. Me, I sure like the Flowmaster 40s on a big V8 cruisin' stop light to stop light, but on a trip with the mrs, the interior noise will make you rip them off in 20 miles. I SAID THE INTERIOR NOISE... Anyway, I marvel at the new technology in the new Charger. I thought I'd out fox the Dodge engineers and had the local muffler shop put on Magnaflow's Wide Open catback exhaust system -- the sound clips sound cool and the larger tips look great. That's where it ends. The Magnaflow are soo quiet that you can't hear them at all at idle, where the stock exhaust sounded throaty. Then, the my worst nightmare. Interior drone noise. It's all quiet and you're cooking right along at 70 (or 60, or 50, but you get my point), when, HMMMMMMMMMMM -- a low, low bassy drone hum fills the cabin. It all happens when the 5.7 Hemi decides to run on 4 cylinders -- then whole back of the car is turned into a vibrating, humming constant drone that makes it miserable. The ONLY way I have found to stop it is to trip the transmission into 5th gear instead of "D" and the MDS will quit and it's finally quiet again. But this is a hassle to remember you are in 5th instead of Drive and at a stop sign you have to flip into Drive again. So please take this to heart, and to your ears and sanity, the Dodge engineers KNOW what they were doing and DID IT WELL... < Message edited by mnboy -- 4/27/2006 12:16:40 PM > Post #: 1

RE: WARNING! Charger Daytona Stock Exhaust is just fine - 4/24/2006 11:47:30 AM    74scamp   Posts: 1239 Joined: 1/25/2006 From: Los Lunas, ,NM Status: offline Even with it in 5th, instead of "D", it should automatically go to "1" when you come to a stop. dave (in reply to mnboy) Post #: 2

RE: WARNING! Charger Daytona Stock Exhaust is just fine - 4/24/2006 11:53:46 AM    Rivalry   Posts: 106 Joined: 4/14/2006 Status: offline Good info I think he meant if you didnt want the hassle of upshifting, you would have to put it back in drive in the city. (in reply to 74scamp) Post #: 3

RE: WARNING! Charger Daytona Stock Exhaust is just fine - 4/24/2006 1:42:56 PM    74scamp   Posts: 1239 Joined: 1/25/2006 From: Los Lunas, ,NM Status: offline Well, that's very true But, if you just push it like you wanted to upshift, but hold it for a second instead of letting it loose, it will go in "D". So, if you come to a stop and it automatically drops into "1", just push it like you want to upshift to 2nd, but hold it for a second, and it will jump into "D". dave (in reply to Rivalry) Post #: 4

RE: WARNING! Charger Daytona Stock Exhaust is just fine - 4/24/2006 6:17:05 PM    JonW   Posts: 20 Joined: 3/12/2006 Status: offline Thanks for the tip. I hadn't thought about the cylinder deactivation and it's effect on exhaust sound. Makes me want to think twice about modding the exhaust. More money for wheels (in reply to mnboy) Post #: 5

RE: WARNING! Charger Daytona Stock Exhaust is just fine - 4/25/2006 4:31:50 AM    Daytona RT Posts: 231 Joined: 11/9/2005 Status: offline I got the Borla performance unit and I'm getting 0 of the harmonic resonance MnBoy suggests. Most that have read my post know how I feel about the FlowMaster, so for those that have purchased that product I'll save you the agitation. I know from my research and conversations, MagnaFlow exhausts are good option for the buyer that is looking for real performance. It like the Borla is going to be a tuned free flow system and even then, a controlled tolerable audio. I've added the electronic cut-outs, so that should I want to shake the ground and get max flow its there at the flip of the switch. All that being said.. I've also questioned the wisdom of buyin aftermarket exhaust and the real performance value over stock. I have recommended cutting out the Resonator unit and returning to a true duel exhaust with stock mufflers. Not only are they stainless, they too are a free flow system. My only reservation had been how long the stock units would last without the effect of the resonator. I guess that was in part, the reason for my purchasing the Borla system. To do it over again? I'd chop the resonator, add the CAI.. invest in the flashPaq.. and callit a day... Ohh did I mention the ram air hood, performance cam.. roller bearing surfaces.. forged rods & HC pistonheads.. performance heads.. shorty turbo headers.. twin turbocharger.. 100 horse milk bottle.. bulletproof trans.. 22 inch Z performance tires & wheels.. Lambo doors.. euro lights.. Ohh gawds there's soo much to do !! Ainnit fun !? < Message edited by Daytona RT -- 4/25/2006 4:34:37 AM > _____________________________ (in reply to JonW) Post #: 6

RE: WARNING! Charger Daytona Stock Exhaust is just fine - 4/25/2006 7:54:43 AM    74scamp   Posts: 1239 Joined: 1/25/2006 From: Los Lunas, ,NM Status: offline Daytona - you are just TOO MUCH! Now, I have nothing to add! Except - be COOL, DUDE!!!! dave (in reply to Daytona RT) Post #: 7

RE: WARNING! Charger Daytona Stock Exhaust is just fine - 4/25/2006 11:27:44 AM    baldyloxs Posts: 1096 Joined: 10/28/2005 Status: offline lmfao dude _____________________________ (in reply to 74scamp) Post #: 8

RE: WARNING! Charger Daytona Stock Exhaust is just fine - 4/25/2006 5:58:29 PM    mnboy   Posts: 714 Joined: 1/27/2006 Status: offline OK. I'm happy you are having good luck with Borla. Looks like they make 2 different systems for the 5.7, with and without resonator tips. There is a warning that the misses may not like the resonator tips off. At least they warn you. MAGNAFLOW does NOT. You just have to buy their $800 system to see what it sounds like on your car. When the MDS kicks in, I hope you can handle it. The resonation will drive you out of the car on a trip. Again, the only way to work around it is to flip the transmission into 5th gear and stop the MDS. But why in the heck should you have to? I just got off the line with MAGNAFLOW and basically got blown off -- "many owners of other systems have gone to our system because it is the quietest on the market..." the rep says, and I asked if they are working on a system that will eliminate the vibration from the MDS. Basically NO. He basically told me that they are the quietest and have heard about the MDS vibration problem, but too bad. He went on and on about their system being so wonderful and tested. If it was, I said, why doesn't it stop the resonation like the stock system? He couldn't answer that. I also told them to put a DRONE NOISE WARNING for 5.7 people -- he didn't say much to that either... So everyone, there you go. More info: the stock Charger Daytona system intake and exhaust were slightly modified over the stock Charger system to get the 10 more ponies. (The stock Charger Daytona system is LOUDER than the MAGNAFLOW sytem and HANDLES the MDS vibration problem -- MAGNAFLOW DOES NOT. The stock system has the resonator first, the the two back pieces are muffler/tips. M/F is muffler first, then two resonator/tips back). Just warning you all. Magnaflow isn't going to... < Message edited by mnboy -- 4/25/2006 6:15:59 PM > (in reply to Daytona RT) Post #: 9

RE: WARNING! Charger Daytona Stock Exhaust is just fine - 4/25/2006 6:06:53 PM    mnboy   Posts: 714 Joined: 1/27/2006 Status: offline I hope you have luck with whatever system you choose, but I am glad I was able to help you. Sounds like one fella has good luck with Borla. I know I am shooting myself in the foot here, but I find it interesting that anyone can start up a muffler business, put a couple of glass packs on, get an internet site, put on a couple of sound clips, and claim more HP and TQ and pretty looks over stock (for only $1,000!!!) and be ALL AROUND better than what factory engineers spend hundreds of hours of engineering a really great system for, well, it comes with the car... Good luck! AND DON'T BUY MAGNAFLOW! (in reply to JonW) Post #: 10

RE: WARNING! Charger Daytona Stock Exhaust is just fine - 4/25/2006 10:00:35 PM    74scamp   Posts: 1239 Joined: 1/25/2006 From: Los Lunas, ,NM Status: offline mnboy, I'm reading your post and assuming you have no after-market system on your car. Is that correct" As regards the Magnaflow system: the resonating from the MDS is NOT that bad. And you soon get used to it. In fact, it lets you know when you're only running on 4 cylinders, and mine doesn't run on 4 cylinders that often anyway. There is no irritating droning or anything like that. There is always the stereo and it doesn't take much to drown out any resonating you MIGHT hear. So if, as I assume, you don't have one, you can't possibly know what any of them really sound like. I do understand that the Borla system is more throaty than the Magna flow. The mufflers first, resonators at the tip is the way all the old muscle cars of the 60's and 70's did it. So that's nothing new. The Magnaflow is very mellow in normal driving. Hit it, and it will let you know it is there. In fact, I wish it wasn't quite so mellow in normal driving. But there is enough sound to let others know there is something "different" about the car. Just thought you should know. dave (in reply to mnboy) Post #: 11

RE: WARNING! Charger Daytona Stock Exhaust is just fine - 4/25/2006 11:55:42 PM    JonW   Posts: 20 Joined: 3/12/2006 Status: offline quote: ORIGINAL: mnboy More info: the stock Charger Daytona system intake and exhaust were slightly modified over the stock Charger system to get the 10 more ponies. So does that mean that a CAI will not show much of an improvement on the Daytona? This thread has got me pretty well talked out of modding the exhaust, but what about the intake? Any room for improvement there without any ill effects? (in reply to mnboy) Post #: 12

RE: WARNING! Charger Daytona Stock Exhaust is just fine - 4/26/2006 6:50:45 PM    mnboy   Posts: 714 Joined: 1/27/2006 Status: offline I made a mistake of trying to out fox the Mopar engineers. It's cost me over $800 after I put on the Magnaflow system. I see you believe they are quiet. Not in my car they aren't. As soon as the MDS kicks in, you want to leave. Turning up the stereo just adds to the noise. Maybe my hearing is too sensitive, but I sold my GTX ground-pounder with Flowmaster 40's (it sounded great until you went on a trip, which ends up being too much of a good thing and drive you out of the car in 20 miles), for a more sophisticated car. I am learning that the engineers went to college for a reason. These places with chrome pipes and sound clips are not impressing me very much after I chopped off my system and tried to better it. I didn't. So take it for what it's worth everyone, if you have the Charger Daytona model -- it's damn good the way it is... (in reply to 74scamp) Post #: 13

RE: WARNING! Charger Daytona Stock Exhaust is just fine - 4/26/2006 6:57:25 PM    mnboy   Posts: 714 Joined: 1/27/2006 Status: offline Please learn from my mistake. That's why I am telling you all here. The stock exhaust system on the Charger Daytona model is about as good as it gets without being too quiet or too noisy, or having a constant DRONE inside the cockpit. After you spend $800 no one will help you out, nor with they offer to refund your money. So I am trying to let you all know I have been the guinea pig here. Sure I could put on Flowmaster 40's and sound like a big V8, but on a trip does it drive you out? Remember you are dealing with a very specialized piece of equipment here. I was dumb and tried to think these muffler guys have it better than stock. They do not. They take your money. You put them on. If you don't like it -- tough beans. So my advice to anyone reading this is to do MORE investigating than I did, DO NOT believe everything you hear, and leave well enough alone. That's my fatherly advise to you all... (in reply to JonW) Post #: 14

RE: WARNING! Charger Daytona Stock Exhaust is just fine - 4/28/2006 12:49:44 AM    Hemifyd   Posts: 61 Joined: 4/23/2006 Status: offline I had my system built by a local shop and experienced the same thing. Simply removed the very restrictive stock muffler and resonsonators. Reused the stock pipes and justed added a piece off pipe in place of the resonsonator. Flow masters replaced the stock muffler and I thought it sounded baddddddd...THAT WAS UNTIL I HOPPED ON THE FREEWAY... It dropped into 4 cylinder mode and suddenly I was in a bad stereo 20 MHZ sound off... Turned around and had them add a 12 inch glass pack about 6 inches away from the dual flow masters just before the rear end... It seemed a bit weak at first but when I changed the air intake it is just right. (in reply to mnboy) Post #: 15

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