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 Post subject: 06 KJ 3.7L Exhaust Question
PostPosted: Mon Aug 21, 2017 4:24 am 
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Hello everyone, i'm new to the forum and I have a 2006 Jeep KJ 3.7L sport and the question of what muffler to get has been tossed around a lot but for my vehicle I was wondering what would be the "best" way of modifying the exhaust so I can hear that V6, original thought was to go for a muffler delete but I hear the whole controversy of "you'll lose back-pressure so you'll lose torque" so I was considering on just changing my muffler to a Flowmaster Super 44 or also a resonator delete, whats the loudest, etc. Thank you in advance


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 Post subject: Re: 06 KJ 3.7L Exhaust Question
PostPosted: Mon Aug 21, 2017 11:14 am 
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Gibson MWA

Quiet at idle, but is essentially a straight pipe at full throttle. You don't want back-pressure then.

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 Post subject: Re: 06 KJ 3.7L Exhaust Question
PostPosted: Wed Aug 23, 2017 3:51 pm 
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Muffler delete will be super loud, you can test it by unbolting the muffler and removing the back half of the exhaust. It's a little hard to manuever out from underneath, but not too hard of a job. I run a cheap glass pack, it's not too loud at idle and still lets you hear the engine rev

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 Post subject: Re: 06 KJ 3.7L Exhaust Question
PostPosted: Wed Aug 23, 2017 8:52 pm 
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GordnadoCRD wrote:
Gibson MWA

Quiet at idle, but is essentially a straight pipe at full throttle. You don't want back-pressure then.


Wow did my research on gibson they seem really good but i kind of want a decent sounding idle too.

Laserfishy wrote:
Muffler delete will be super loud, you can test it by unbolting the muffler and removing the back half of the exhaust. It's a little hard to manuever out from underneath, but not too hard of a job. I run a cheap glass pack, it's not too loud at idle and still lets you hear the engine rev

Sent from my SM-G930V using Tapatalk


I'm going to unbolt the muffler and see how it is if i'm not a fan I'll probably just commit to the flowmaster


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 Post subject: Re: 06 KJ 3.7L Exhaust Question
PostPosted: Sat Aug 26, 2017 9:36 am 
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Xdanielb wrote:
GordnadoCRD wrote:
Gibson MWA

Quiet at idle, but is essentially a straight pipe at full throttle. You don't want back-pressure then.


Wow did my research on gibson they seem really good but i kind of want a decent sounding idle too.

Laserfishy wrote:
Muffler delete will be super loud, you can test it by unbolting the muffler and removing the back half of the exhaust. It's a little hard to manuever out from underneath, but not too hard of a job. I run a cheap glass pack, it's not too loud at idle and still lets you hear the engine rev

Sent from my SM-G930V using Tapatalk


I'm going to unbolt the muffler and see how it is if i'm not a fan I'll probably just commit to the flowmaster


So you don't like to talk to others in the cabin going down the road ?
Look up Flowmaster Drone , ran one for a while on the KJ never again

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 Post subject: Re: 06 KJ 3.7L Exhaust Question
PostPosted: Sat Aug 26, 2017 12:02 pm 
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tommudd wrote:
So you don't like to talk to others in the cabin going down the road ?
Look up Flowmaster Drone , ran one for a while on the KJ never again

Tom, I remember riding with you in your black Kilimanjaro KJ (going to town to pick up a cutting wheel and some bolts for my KK's rear sway bar IIRC). Your exhaust note sounded great at the time. Was that a Gibson?

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 Post subject: Re: 06 KJ 3.7L Exhaust Question
PostPosted: Sat Aug 26, 2017 7:25 pm 
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lfhoward wrote:
tommudd wrote:
So you don't like to talk to others in the cabin going down the road ?
Look up Flowmaster Drone , ran one for a while on the KJ never again

Tom, I remember riding with you in your black Kilimanjaro KJ (going to town to pick up a cutting wheel and some bolts for my KK's rear sway bar IIRC). Your exhaust note sounded great at the time. Was that a Gibson?


Magnaflow
and its still on there ! LOL

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03 OVERLAND EDITION /Kilby-Skidrow-Mopar-4XGuard skids/ JBA adjustable coilovers at 2.5 INCH TOTAL CONTROL lift-4.5 Arms/MOABS-30.5 inch Goodyears/ 4.10's etc, 04 Kilimanjaro Edition now sold


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