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muffler or straight pipe??


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I was wondering if anyone had could tell me if it would cause any problems to the engine if i cut out my muffler and welded in a straight pipe in its place. i have already removed the muffler and placed a straight pipe in. it sounds mean! but i put the muffler back in because i didnt know if there would be any problems with my engine with out it. i want to uncork that 4.0L and let her breath maybe opening up some untapped power. another question in have is i know that the 87 cherokee has the same engine as my MANche and they make an intake for the cherokee. will it work for my MANche? also has anyone ever installed a snorkel on their manche if so do you have any pics of it? and a review of its performance?

Thanks as always! James,

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I agree, running no muffler will get obnoxiously loud. The neighbors and jonny law will not appreciate it!!

 

Get yourself a glass pack. Its a STRAIGHT THRU design and offers some reduction in sound. Once its broken in, its really got a nice throaty tone.

 

They are WAY DURABLE and CHEAP to boot!!

 

Its THE way to go.

 

CW

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i agree! put on a glasspack, i have one on my truck and it sounds good and flows free. i had a piece of pipe on there before as the muffler rotted off and thats what i replaced it with and it sounded good that way but when it's reved up it sounded like a ricer and it got annoying so i put on a 15" glasspack and it sounds good at any rpm. i have a 4.0 5-speed in my truck also.

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I got an 86 with the 2.8L that has no cats and dual glasspacks, and I kinda like the sound it gives off. My only problem is that the local cops don't care for it, I just tell them that's the way I bought it and they leave me alone.

 

yea and it sounds like you are being fired at when it back fires, unless that got fixed for ya. lol.

 

my 91 has a cat and a flowmaster 40 series. sounds good on the 4.0 i think. i am getting a sound clip of it for the other thread, once it is up i will let ya know. once my exhaust goes to crap (since i am in Ohio it won't be long) i am removing the cat and just doing a flowmaster again or something with a nice low sound.

 

Alex

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I got an 86 with the 2.8L that has no cats and dual glasspacks, and I kinda like the sound it gives off. My only problem is that the local cops don't care for it, I just tell them that's the way I bought it and they leave me alone.

 

yea and it sounds like you are being fired at when it back fires, unless that got fixed for ya. lol.

 

Alex

 

Nope, still backfires like a son of a if ya let off the gas quick, so I've learned to be a 2 foot driver, slowly let off the gas with the right and slowly press the brake with the left, plus this way I'm not reaching for the clutch.

At least not as much as I used to be anyways.

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I got an 86 with the 2.8L that has no cats and dual glasspacks, and I kinda like the sound it gives off. My only problem is that the local cops don't care for it, I just tell them that's the way I bought it and they leave me alone.

 

yea and it sounds like you are being fired at when it back fires, unless that got fixed for ya. lol.

 

Alex

 

Nope, still backfires like a son of a if ya let off the gas quick, so I've learned to be a 2 foot driver, slowly let off the gas with the right and slowly press the brake with the left, plus this way I'm not reaching for the clutch.

At least not as much as I used to be anyways.

 

yea thats how i managed to get around the back firing problem.

 

Alex

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