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cat back vs muffler swap

800 views 16 replies 8 participants last post by  troykeithjones  
#1 ·
not looking for performance or miliage, just looking for a little more rumble. has anyopne just down a muffler swap and what did you think of it, looking currently at magnaflow. once you did the swap did you evenutally do a cat back ??


thanks Troy
 
#6 ·
Assuming you have a Gen 3, you'll probably want to use a 2-inlet/1-outlet muffler which will likely narrow your choices.
SpinTechMufflers.com offers several performance mufflers in a variety of configurations. Worth a look.
Go w/ Stainless Steel if you're in the salt belt.
Unless you're handy w/ welding, you'll need a muffler shop to fit it up right...cuz the factory muffler is (likely) much larger than nearly all performance mufflers.
 
#10 ·
My experience with Magnaflow is while adding power they tend to drone under load. After some time it can get worse as well. I recommend finding some videos on youtube with sound clips so you go into this change with eyes wide open.
The Z1 Offroad video comparing the cat back systems is great for this.
I replaced the OEM muffler with a Magnaflow almost 20 years ago (Gen2). It drove me bonkers so I added a resonator and it only helped somewhat. But, after many miles it got louder and obnoxious. I replaced them with a Super Turbo. Which I loved the sound of, however at a loss of power.
Recently, I replaced that muffler with a Flowmaster 70 meant for V8s. It's designed for vehicles that tow and tend to be under load and keep them quiet. So far, it's the Goldilocks of mufflers for me. Just right. :cool:
 
#11 ·
If I can put in my 2 cents here, I had a full Magnaflow on my Mazda3 back in the 2000's and it rusted out, BAD, and quickly. I would never own another Magnaflow.
 
#13 ·
Was your Dodge a V8?
When folks want their V6 to have a low rumble, they're entering a slippery slope. From lowest moving up: there's bass, there's baritone, there's tenor, there's soprano/etc... I'd put a V6 closer to the tenor range on the scale.
In traffic, Camaros/Mustangs get me to at least crack my window so I can inhale a sweet V8 sound. When it's a V6, well, I'm just disappointed and feel cheated. Same w/ Ford's V6 Ecoboost.
 
#15 ·
How many modern V8s are using the newer 'flat plane' crankshafts? I gather these are going into performance vehicles/muscle cars. Capability-wise, they allow for higher revving and are inherently louder essentially turning a V8 into two inline 4-cyl engines.
Flat-plane crank briefly explained