Flowmaster worth buying?

Worth it? Depends. If you want it for HP gains, then NO, but if you want it because you like the sound, then probably.
 
My take, I ran a FM on my XJ with 4.0. Sounded cool but the loud and constant drone on hwy runs got to be fatiguing. I ended up going back to a stock muffler.
 
Is it worth it?

As said, no performance gain. A little drone at speed you may or may not mind/notice. But........

For 200 bucks, sure. Especially if you may need exhaust anytime soon.

Btw, I don't think anything makes a 4.0l exhaust sound good.
 
As said, no performance gain. A little drone at speed you may or may not mind/notice. But........

For 200 bucks, sure. Especially if you may need exhaust anytime soon.

Btw, I don't think anything makes a 4.0l exhaust sound good.

You should hear the Banks Monster that came with my Jeep. Sounds tastefully vicious, but it doesn't pretend to make my TJR's 4.0L sound like a V8. The engine brake gurgles are cool!
 
Must be just me........

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:D
 
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I looked at a FM but the price put me off...ended up going to the exhaust specialist and he did a cashie job...now I have a generic muffler on it (almost free-flowing) no extra HP but a great burble and crackle when I back off the gas. wouldn't go back.(surprisingly quiet on the open road)
The FM does sound nice though, sounds like steal at 200 bucks