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For me it's the exhaust note. The Outlaw series is the most aggressive sounding muffler from Flowmaster, The American Thunder Series is quite a bit more moderate. There's no claim of hp gains. Imo, it's a Hemi, it oughtta sound like it, the stocker is almost non existent @ higher rpm's, @ idle not so much. Anyway leaving those tiny resonators in place will kill any drone noise while cruising @ highway speeds, well that's the theory, I'll know tomorrow. Btw anybody else interested in the direct fit muffler mod with hardware included, the cheapest vendor by far is Summit Racing $315.00 + free shipping 25lbs. part/link http://www.summitracing.com/parts/FLO-817633
 

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Discussion Starter · #6 ·
no visible difference and not worried about HP gains, just looking for the exhaust tone as well, wanted something that sounds good but not so aggressive as the outlaw series, hoping the American Thunder is it.
 

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I have flowmaster 50 series on my 07 Ram w/ Hemi and k&n intake. She roars nicely! Plus no major drone in the cabin. I'd like to hear the flowmaster outlaw... I hope you all post some video clips :)
 

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My god that almost made me wet my pants. And that's just a flowmaster 50 series muffler?
Outlaw Series muffler w/factory resonators. Cruising along @ 77 mph last night, absolutely no drone cabin noise. This will be the cheapest mod for biggest effect I think will go on this truck.
I was totally shocked, with the exhaust note being so close to the $1500 full Corsa Extreme system I have on my Challenger SRT.
 
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Outlaw Series muffler w/factory resonators. Cruising along @ 77 mph last night, absolutely no drone cabin noise. This will be the cheapest mod for biggest effect I think will go on this truck.
I was totally shocked, with the exhaust note being so close to the $1500 full Corsa Extreme system I have on my Challenger SRT.
I agree, can you get a vid of the sound inside while cruising, I would like to hear it too.

ugh I was trying to not spend any more money on the new truck once it arrives but looks like that may be harder than I thought =)

I love the full exhaust on my charger (full headers back) but the truck is for the family so I dont want it to be different inside. My only issue with MDS sound is because of the long tube headers I have, it doesnt like having the missing pressure when the cylinders are off. Its only at low speeds though.
 

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Outlaw Series muffler w/factory resonators. Cruising along @ 77 mph last night, absolutely no drone cabin noise. This will be the cheapest mod for biggest effect I think will go on this truck.
I was totally shocked, with the exhaust note being so close to the $1500 full Corsa Extreme system I have on my Challenger SRT.
possible to shoot us a video from inside the cab on the highway. deathly afraid of drone LOL
 

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In cab drone: 0 @ cold start & 27 mph there's a rumble, albeit very smooth & non vibrating. You can hear MDS kick in, but very very subtle, the factory resonators are doing what they're supposed to do, but when you step into it & the 8spd downshifts with wot "wide open throttle", it really wakes up, but again, only when you floor it. I'll try to get some in cab vid/audio up tomorrow after I get off, but I'll tell ya, I couldn't be happier with this combo, I'm just as satisfied with it as I am with my Corsa Extreme on a 10 second Challenger, just nowhere near as loud when you go to wot. http://youtu.be/CU5bfDLbshA
 
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