Is anyone running their KJ with no muffler (just straight piped)? Or would this be way too loud?

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2015 Ram Ecodiesel/Big Horn/4x4/Quad Cab
2016 Arctic Fox 22G/Onboard 2500 LP Cummins Onan Generator/160 Watt Solar Panel

I took the road less traveled. Now I'm LOST.

I did this on my TJ for a while, not by my choice, off roading damage. It was really loud and would set off car alarms as I drove by. I hated it for the few days I had to run it.

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My Jeep Build ----> Big Black

If you do this (or anyone else does), don't do it for too long. I ran my 98 Dodge Ram (318) with just the cat and a straight pipe for less than a year and it destroyed my cat and O2 sensors, or so the Chrysler techs told me. I ended up with a crapload of sensor problems after that. I was told then by alot of people on a Dodge Truck forum to NEVER run with just a cat and straight pipe for that reason. So I never will do that again.

Not sure if this applies to the KJ, but the fact that they are both Chrysler products is good enough for me. Just thought I'd share that experience. Good luck!

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2002 KJ Sport 4x4, 3.7L NV3550
Cardomain Page
http://www.cnyjeep.org

Don't do it.. The KJ likes mufflers.

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02 Liberty Limited
Silver Outside & Taupe Inside
Heated Seats, Sunroof & Infinity speakers
USA Spec I-Pod adaptor, Mopar Sub, Garmin GPS
Tow Package, Select-Trac
Rock Rails, Tow Hooks

There's a dude from Durango with a CRD who runs with no muffla. He seems to like it. I rode with him twice in MOAB and outside of it being slightly louder than mine with, it seems to run just fine.

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2006 CRD http://www.UtahPowderCoatings.com/ http://www.gorecon.com/ I'm kind of a big deal.
RL rear bumper, ARB front bumper, Mile Marker winch, Power Tank, Skids by Mopar & Skid Row, RL Super Skink Sliders, 235/85R16 MTR, Air Flow Snorkel, DTT, 4.10 gears, Frankenlift II, Katskin leather, JL Audio stereo, Rosen video.

When I put my flowmaster in I started mine to see what it would sound like and it was not something I would want to keep. It was pretty darn loud and didnt sound all that great.

Also tried that on the hemi wk and you couldnt talk to the person sitting beside of you.

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LOST KJ'S
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Current Jeep: 2004 Jeep Liberty
-Atlantic Blue
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Lost #007082
http://www.cardomain.com/id/jeepjeepster

I had a video... But during muffler swap...

Yes very loud, high pitched in revs I wasn't a fan.

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Patriot Blue 04 KJ
OME HD lift w/ 1/8" Clevis lift
LT 245/75/16 Revo's
Husky liners
Aeroturbine 2525
Amsoil

Darby is running 3 inch straight pipe on his CRD.

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No one knows as much as all of us.

A Turbo Diesel is a different animal...the turbo muffles and gives backpressure. On a gasser something is most likely needed for street purposes. It should not affect any sensors if you run without a muffler...but it would be loud...

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Founder of L.O.S.T.
2006 CRD Sport
Mods: GDE Hot Tune w/ 364#@2000rpm/Air Box /3" Str8 Exhaust/ASFIR Alum Skids/245-75R-16 Cooper STT PRO/OME LIFT w/Clevis & 4 Spring Isos/AirTabs/Rigid 10" S2 LED/4xGuard Ctr Matrix Bumper
Drag Strip:Reac=.1078_60ft=2.224_1/8=10.39@64.8mph_1/4+16.46@80.8mph

highly wouldn't do this, tried mine with no muffler brutal, running a flowmaster super44 right after the cat with a turndown tip and no tail pipe still way to loud need to run the rest of the exhaust because it is still to loud for me.

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02 prelowered jeep kj limited select-trac
aftermarket rad (crack in stocker)
235/70/16 michelin LTX
Mopar hooks and Skids
BDS lift
dynomax super turbo

Dont know on this ,I think all stock engines need a little back preasure.

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“You cannot solve a problem from the same consciousness that created it."

“Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.”