Good exhaust for 4.0? - JeepForum.com
 
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post #1 of 10 Old 06-16-2012, 02:33 PM Thread Starter
Destrow
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2003 WJ 
 
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Wj Good exhaust for 4.0?

Hey guys, was wondering if anyone with a 4.0 has found an exhaust that sounds good? I have a Magnaflow on my 94 Firebird Formula LT1 but have been thinking more on louder Flowmaster 40 series. Any comments with experience would be great!

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post #2 of 10 Old 06-16-2012, 02:45 PM
XJessen89
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Spintech-super street pro, same company that makes the exhaust on Eleanor in gone in 60 seconds, sounds amazing on my xj
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post #3 of 10 Old 06-16-2012, 03:07 PM
MuddyWJ
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Flowmaster 40 has a bit of a drone. My brother ripped his exhaust off on the trail and it actually sounds pretty good. I have been thinking of doing it myself, just don't know If it has any negative consequences.
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post #4 of 10 Old 06-16-2012, 03:23 PM
kc2mrg
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i have the rusty's cat-back 2.5" system with the flowmaster 40 series muffler, i love it, it gives it a nice growl but i dont think it has a drone at all, and i can tolerate it for a 12 hour drive to new york and i have never once regretted the sound, when you first put it on, it is quieter until the muffler goes through kind of a break in period, then it will get a little louder

2004 Grand Cherokee Laredo 4.0
Rusty's 2.5" coil/shock lift
265/70/16 General Grabber AT2's
Superchips 3875 Flashpaq
Flowmaster exhaust


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post #5 of 10 Old 06-16-2012, 03:40 PM
Kolak
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My Kolak Exhaust is available for the WJ 4.0. Lots of forum members are running it and you get 10% off as a forum member. If you PM me your email address I'll send you all the information.

Kolak Performance and Offroad
Member: Specialty Equipment Market Association
Telephone: 480 998-3661
kolak@aol.com or kolak@kolakperformance.com
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post #6 of 10 Old 06-16-2012, 05:29 PM
kc2mrg
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^ i personally havent bought anything from kolak, but theres tons of people on here that do, i just havent yet because i dont have money lol, and i got mine from rustys before i became a member here, and is that 10% off for anything that you carry?

2004 Grand Cherokee Laredo 4.0
Rusty's 2.5" coil/shock lift
265/70/16 General Grabber AT2's
Superchips 3875 Flashpaq
Flowmaster exhaust


West Virginia Jeep Club member
JEEPINWV.COM
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post #7 of 10 Old 06-16-2012, 08:36 PM
TheBoss
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Quote:
Originally Posted by Destrow
Hey guys, was wondering if anyone with a 4.0 has found an exhaust that sounds good? I have a Magnaflow on my 94 Firebird Formula LT1 but have been thinking more on louder Flowmaster 40 series. Any comments with experience would be great!
I run the kit Kolak offers.Flowmaster 70 series Magnaflow cat and mandrel bent pipe.No annoying drone and idle is a low rumble. He knows his product and is reputable on this forum. Great system.
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post #8 of 10 Old 06-16-2012, 10:15 PM
MEinSoCal
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i like my IRO 2.5in mandrel bent exhaust with Flowmaster 50SUV muffler. sounds great on my 4.0L
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post #9 of 10 Old 06-18-2012, 08:40 AM Thread Starter
Destrow
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Cool, thanks for the info!
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post #10 of 10 Old 06-18-2012, 09:14 AM
scarecrow734
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i too run kolak`s kit. i did not want loud. i wanted a nice low tone. exchanged acouple pm with kolak i told him what i wanted and he told me what i wanted as far as what muffler. i got a large body magnaflow muffler magnaflow cat and his tailpipe all 2.5. i couldent be happier. now i will say that when i got my stuff my tailpipe had clamp marks on it that i was not happy about i sent him a pm and instead of sending pm`s back and forth he called me to settle the matter...thats a stand up guy in my book!!!!

93 YJ-8" with 37" boggers ,caged and locked-SOLD!
01 WJ-6.5" IRO LA ,285/75/16`s ,4.56 gears-SOLD!
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