I noticed this hole today. I figure - if holes were okay, then they would come that way. Also, this whole seems to be in an awkward place, which suggests to me that I may have internal problems. It doesn't look like I banged it on a rock or anything. But, is this whole big enough to worry about replacing the muffler? see pics... Yes it's very dirty - just got back from AZKJ's snow run yesterday. It will be cleaned by the end of the day today...

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Rex, Queen Creek, AZ
--- '05 KJ sport--- 3.7L V6 auto --- 16" Amer Racing Mojaves (teflon coated) --- 2.5" daystar lift w/ BFG K/O AT 245/75/16 & rear OME N132L shocks --- Mopar Front/Trans/Tranf Skid --- front/rear tow hooks --- Cobra CB w/ 24" Firestik --- custom rear cargo area shelf --- 10" bazooka bass tube ---

i havent had my stock muffler for a long time, i got an Edelbrock one, but that hole almost looks like its supposed to be there, as a drain or something. but yea you wouldnt think a muffler should have a hole in it. did it get louder since you noticed that hole?

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2002 Cactus Green Renegade~OME HD/Rancho
235-85-16 Firestone Destination MT's~Detroit Locker~AL's 4.5 Arms
ARB bumper/Superwinch 9k~PIAA 540 driving lights/PIAA reverse lights~Crane 8.25 diff cover

That hole is suppose to be there, it is a drain hole for the exhaust condensation.

What he said

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LOST # 633
'05 KJ 3.7L/6spd/241 245/75/16 MT's
'88 MJ 4.0L/AW4/231 SWB HPD30 & trac-loc D44 w/3.73's
A dirty Jeep is a happy Jeep

I thought that hole was where you squirted oil into for the muffler bearings? !!!!

Thats what I have been doing for 40 years now, mmmmmmm

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MUDD'S MOTORSPORT'S We do IFS lift installs ,
03 OVERLAND EDITION /Kilby-Skidrow-Mopar-4XGuard skids/ 2.5 inch TOTAL CONTROL JBA coilovers -JBA Arms/MOABS-31 FALKEN WILDPEAK AT3W / 4.10's etc, 04 Kilimanjaro Edition loaded, plus 05 KJ limited

Muffler bearing grease is inserted through the Snorf valve by the intake.

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LOST # 633
'05 KJ 3.7L/6spd/241 245/75/16 MT's
'88 MJ 4.0L/AW4/231 SWB HPD30 & trac-loc D44 w/3.73's
A dirty Jeep is a happy Jeep

AHh... that's where the snorf valve is...

On a serious note, yes, that's supposed to be there.

lol

I only noticed it because condesation was dripping under the jeep. We don't get that too often here in AZ. haha, I thought something was wrong!

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Rex, Queen Creek, AZ
--- '05 KJ sport--- 3.7L V6 auto --- 16" Amer Racing Mojaves (teflon coated) --- 2.5" daystar lift w/ BFG K/O AT 245/75/16 & rear OME N132L shocks --- Mopar Front/Trans/Tranf Skid --- front/rear tow hooks --- Cobra CB w/ 24" Firestik --- custom rear cargo area shelf --- 10" bazooka bass tube ---

Sorry for the HiJack - If one was to replace the stock (huge) muffler - what would be the best choice for a smaller size unit without going to a 'performance' / low rider sounding exhaust? (I know there are plenty of exhaust threads out there here but they are all based on making a V6 sound like a V8) I have a technical issue - the stock Liberty exhaust hits the 8.25/drive shaft yoke at full flex. What's out there for a smaller/shorter diameter muffler than stock sized but not louder than stock exhaust

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2002 Salsa Liberty
Rusty's 2.5 spring lift
Rusty's RockRails and Diff Guards
Skid Row belly skidplate
235/85/R16 (32") Maxxis BigHorns
ARB rear locker
Detours BackBone Front Recovery Point and Winch Mount
Superwinch EP9000