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Just like the title says, Would you guys recommend an MRT or an American Thunder series axel-back muffler on a 4.0 s197.

I've heard Flowmaster doesn't sound too great on the 4.0s, but from what I've heard from youtube clips of the MRT muffler, it sounds pretty great at idle. Just my 2 cents.
 

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Just like the title says, Would you guys recommend an MRT or an American Thunder series axel-back muffler on a 4.0 s197.

I've heard Flowmaster doesn't sound too great on the 4.0s, but from what I've heard from youtube clips of the MRT muffler, it sounds pretty great at idle. Just my 2 cents.
you could probably put a ricer fart can on the 4.0 and it would sound good at idle. :eek:

the issue we have isn't with idle, its when the car is at 2000 rpms and above when it either sounds good or it doesn't, has drone or doesn't. Some people like flowmasters on their 4.0 I have heard it in person and not a fan.:no
 
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