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Discussion Starter #1
First of all, my first post to this forum. Have read a lot and was glad to be given the opportunity to join. So now my question(s): I just bought a 2015 Challenger RT. I had the opportunity to drive many of the 70-73 Challengers, Cuda's and other Mopars and muscle cars. I really like my Challenger but would like to have it sound more like a 70 440 RT. I know it will never sound exactly the same, but something close would be great. I have read countless articles, and watched dozens of YouTube videos on all sorts of catback systems, Magnaflow, Corsa, Bora, etc. etc. etc. I am totally confused as to which will produce the sound close to what I want. Some of the videos have great audio, others not so much. A lot have to do with someone starting a car and revving it...makes it hard for me to get a good idea of how it sounds. So I guess it boils down to this...if I am looking for something that comes close to a 70 RT 440, not any louder as I don't want to get the neighbors up in arms, what would any of you suggest? Thanks in advance.
 

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Welcome! Look up Dynomax race bullets. They sound pretty close to that rumble. Also checkout Powersticks. They are very similar. There are vids of these on YouTube as well.
 

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Here's a comparison with an older mustang with summit and Dynomaxx mini race bullet mufflers. You be the judge of that old style rumble.

 

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100 less cubic inches, VVT, let alone MDS, electronic throttle control/timing/fuel curve, catalytic convertors I don't think you'll get the sound your looking for, as in old school thumper Mopar's My last toy, 1969 Charger was .060 over balanced /blue printed 440, 10 to 1 comp, Comp Cam valve train(270duration 470 lift) built for torque street driving. HP stock exhaust manifolds, TTI X=Pipe exhaust with Magna Flow mufflers, full 2 1/2" tailpipes. Had that big block Mopar rasp snap to it. Old school for sure, but not near what these new Hemi's can do and how easy they do it.
 

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Discussion Starter #5
First of all, thanks for all the answers. After watching many, many YouTube videos, I went with the Powersticks. They have just the sound I have been looking for. They remind me of the cars I drove in high school. The next question I have is this...I added a K&N air filter (the one that replaces the stock version), and then added the Powersticks. Do I need to make any engine adjustments due to the deletion of the stock exhaust? I am not real sure with these new computer controlled engines. If so, what adjustments? Again, great forum, and thanks in advance.
 

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It seems like everyone is looking for that old school, muscle car tone and OldHP points out these newer engines make it difficult to reproduce. As I said in some post before, my neighbor bought a 72 duster 340 stroked out to 400 and some change. It had THE sound but OMG, the drone was too much to stand as a daily driver. Only challenger I heard come close to the old school sound is this one:

 
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