Good exhaust?

[HoltzKJ]

Looking to change the sound of my KJ, what would you guys recommend sounds great with this engine?

 

[u2slow]

I put in a flowmaster knock-off... revs easier, rumbly, sounds great!

Thrush® Welded Muffler - Thrush® Exhaust, Making Hot Rods Hotter Since 1966
# 17650

BTW: Their sound clip does not do it justice.

 

[tommudd]

Magnaflow is best, tried the Flomasters, and they have bad drone at highway speed. With Magnaflow you can actually talk to the person riding with ya

 

[u2slow]

There is some drone with the welded Thrush for local driving, but its gone at highway speeds.

 

[ltd02]

I like my Borla.

 

[dude1116]

I heard the Borla on the KJ a while ago and it sounded great. But DAMN was it expensive (if you are talking about the dual pipe Borla).

I have a Magnaflow muffler on my Jeep and I LOVE the sound of it. If I get on it, it has this deep bass to it that just sounds awesome. And as stated, at highway speeds it's not very bad at all.

Unfortunately I don't have the model number at the moment. Mine wasn't a 100% direct fit. I had to do some cutting and clamping with a couple of new pipes.

 

[CalcityRenegade]

Had a Thrush Welded on mine and it sounded great. A little drone at lower speeds but I also had my exhaust dumped right before the rear diff. Have one on my Titan too and love it.

 

[CzarKJ]

Love my MBRP stainless catback. Not cheap. Sounds great though. There is a product review thread here: http://www.jeepkj.com/forum/f215/mbrp-performance-exhaust-41961/

 

[ltd02]

I heard the Borla on the KJ a while ago and it sounded great. But DAMN was it expensive (if you are talking about the dual pipe Borla).

Yes I've got the cat back dual. It was on it when I bought it and I've put >90k on it since, so not a bad investment. Sounds awesome especially when you get it up to about 4-5000 rpm. :gr_grin:

Pretty sure my '11 Avenger (3.6L) has a Borla too from the factory. The similarities in looks are amazing and it sounds real good when you get into it.

I've got a Dynomax cat back on my 98 Ranger (4.0 OHV) with the ultraflow welded muffler and it sounds real nice and very inexpensive. Replaced a dual Heartthrob cat back (straight pipes with glass packed "muffler" tips) and the Dynomax might sound a bit better.

 

[LetFreedomRing]

I ended up going with a flowmaster 70 after trying a magnaflow on mine. Here is my review:

http://www.jeepkj.com/forum/f215/magnaflow-11226-vs-flowmaster-70-review-54269/

 

[nullptr]

Yes I've got the cat back dual. It was on it when I bought it and I've put >90k on it since, so not a bad investment. Sounds awesome especially when you get it up to about 4-5000 rpm. :gr_grin:

I really, really want to like that setup. It sounds awesome and the dual tips look great... but I cannot stand that cross pipe and how low down it is behind the rear axle. I've thought about getting one and seeing if a local shop could 'massage' it a bit to tuck it up better, or something, but they aren't a cheap kit.

 

[04Liberty]

The Borla kit sounded good

 

[ltd02]

I really, really want to like that setup. It sounds awesome and the dual tips look great... but I cannot stand that cross pipe and how low down it is behind the rear axle. I've thought about getting one and seeing if a local shop could 'massage' it a bit to tuck it up better, or something, but they aren't a cheap kit.

Yes that pipe makes the diff fluid swap interesting but really isn't that low on mine. Whoever installed it on mine did a really nice job. Maybe I'll have a different opinion when I get mine lifted a bit.

 

[Geof3]

I just put a magnaflow on mine today. Not sure which one, but I am very happy. Both with the sound (not obnoxious) and the performance feel. Definitely better throttle response. I did a simple install, muffler only.

 

[HoltzKJ]

Has anyone driven around with stock muffler without the tailpipe? I got hosed in buying my KJ so they did some backyard fixes on it and didn't even weld the tailpipe back on well, they left tons of holes in it and it looks terrible. I was going to take this off for now until i get a new muffler because the exhaust drone through their horrible welds is awful.:emotions34:

 

[CalcityRenegade]

Has anyone driven around with stock muffler without the tailpipe? I got hosed in buying my KJ so they did some backyard fixes on it and didn't even weld the tailpipe back on well, they left tons of holes in it and it looks terrible. I was going to take this off for now until i get a new muffler because the exhaust drone through their horrible welds is awful.:emotions34:

When I did my exhaust I went with a Thrush Welded and dumped it before the rear diff. I wouldn't see it being an issue with the stock muffler until you get it repaired or replaced.

 

[jrogers]

Put a thrush rattler on my 06 and love the sound. I've had a thrush welded, flow super 44 and glass pack and the rattler sounds Much better than any of those and was cheap ($38).its deep and has a nice growl but no noticeable drone