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-   -   New exhaust (http://www.jeepgarage.org/f196/new-exhaust-44128.html)

Texas Jeep 07-01-2012 04:14 PM

New exhaust
 
Well i want to install a new exhaust on my 01 WJ 4.0 which will include a high flow cat and muffler with 2.5" piping.
However i dont know whether to go with an Aero Turbine muffler or a magnalfow muffler.


I dont want anything too loud but i do want it to sound nice.
Im mainly going for the extra power/mpg.

Has anyone had either of these two installed? How does it sound and what do you think performance wise?

thanks

TJ

hoffmanestates 07-01-2012 09:56 PM

my cousin put a muffler on possibly a walker and dumped it before rear axle. and sounds like shit....cabin noise up the wazu

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JeepFreak12 07-02-2012 05:06 AM

Re: New exhaust
 
I had a magnaflow on my 95 grand cherokee with the 4.0. Sounds good. Not to loud, good performance.

kennzz05 07-02-2012 08:58 AM

Re: New exhaust
 
extra hp and mileage:) dont hold yer breath. just put a glasspack on and call it a day

JeepFreak12 07-02-2012 12:00 PM

Re: New exhaust
 
^ I agree with you about the hp and mileage. Dont glasspacks have crazy drone? And if your looking for performance and mileage, CAI is the way to go.

Chaoul1 07-02-2012 01:19 PM

Re: New exhaust
 
Magnaflow Cat-Back or a Gibson Cat-Back

kennzz05 07-02-2012 04:15 PM

Re: New exhaust
 
Quote:

Originally Posted by 4.7beast (Post 650770)
^ I agree with you about the hp and mileage. Dont glasspacks have crazy drone? And if your looking for performance and mileage, CAI is the way to go.

as an owner of a 4.o youre not going to see much improvement in performance or mileage with an exhaust or cai its just not really a performance engine but it does have lots of torque down low. and of course an exhaust will tell youre butt dyno its faster

JeepFreak12 07-03-2012 05:06 AM

Re: New exhaust
 
Quote:

Originally Posted by kennzz05 (Post 650889)
as an owner of a 4.o youre not going to see much improvement in performance or mileage with an exhaust or cai its just not really a performance engine but it does have lots of torque down low. and of course an exhaust will tell youre butt dyno its faster

I personally never put a CAI on my 4.0 so i wouldnt know if it made a difference. Was just a suggestion because i have one on my 4.7 and it made quite a difference.

hoffmanestates 07-03-2012 09:19 AM

my cousin has TB spacer and intake on 4.0 and says butt dyno has increased

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JeepFreak12 07-03-2012 10:00 AM

Re: New exhaust
 
TB spacers are a waste of money and dont do anything

hoffmanestates 07-03-2012 11:02 AM

they do if.u have it.tuned

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JeepFreak12 07-03-2012 11:52 AM

Re: New exhaust
 
Id have to see hard numbers to make me a believer haha. But thats my opinion.


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