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Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > WJ Grand Cherokee Forum > Kolak Exhaust

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Unread 04-11-2013, 09:47 PM   #1
WJEEPSMASS
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Kolak Exhaust

Hi All,

I Just installed my Kolak exhaust onto my 03 WJ.. AND MY GOD!! What a difference. I will tell you all, I have gained 4 MPG and driven over 400 miles since yesterday with in on. Fully welded it on. Could not have asked for a better system/setup.

If ANYONE is thinking of upgrading this is the man to go to pm kolak or email him at kolak@aol.com or call him (his name is nick) at (480)-998-3661

img_0619.jpg   img_0624.jpg  
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Unread 04-11-2013, 10:11 PM   #2
JRobes
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youtube vid with sound? I'm debating this upgrade as well
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Unread 04-11-2013, 10:22 PM   #3
Kolak
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Completely off topic, but what's on the peak above the door of the house next to your Jeep? Is that a face? Looks intriguing...
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Kolak Performance and Offroad
Member: Specialty Equipment Market Association
Telephone: 480 998-3661
kolak@aol.com or kolak@kolakperformance.com
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Unread 04-11-2013, 10:38 PM   #4
WJEEPSMASS
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I have a better pic of it all I actually painted it all down with exhaust paint, I'll get that up soon... You tube coming soon... And that is my friends neighborhood... we call it the haunted house. Welcome to worcester mass... tons of old houses with a lot of history but we are not sure about the owner or the house!
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Unread 04-11-2013, 10:42 PM   #5
WJEEPSMASS
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Do the upgrade TRUST ME you will not regret it.. I get people in Mustangs. Challengers, Chargers, some chevy/ford/dodge trucks give me triple takes cause it's a WJ... It is sooooooo worth it...
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Unread 04-11-2013, 10:46 PM   #6
itsbrokeagain
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Im going to end up doing a full custom setup on mine, almost every truck Ive had I built an exhaust for....only difference is that im replacing the magnaflow you got there with an ultraquiet resonator from Vibrant. Built my toyotas exhaust from all Vibrant parts, was quiet and gave the truck some much needed punch.
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Unread 04-12-2013, 10:45 AM   #7
KayCeeJeep
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That's the entire exhaust system right, cat's and everything? How much for all that?
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Unread 04-12-2013, 11:08 AM   #8
1greg42
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how much was it...im looking into an exhaust upgrade in the future
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Unread 04-12-2013, 12:48 PM   #9
Merc1973
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Love mine as well!
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Unread 04-12-2013, 01:29 PM   #10
jeep04
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Looks good cant wait to see the youtube vid, i am considering doing something similar but i don't have the center cat like yours does....did you go with the 70 series muffler?
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Unread 04-12-2013, 01:49 PM   #11
Thomahawk
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Quote:
Originally Posted by jeep04
Looks good cant wait to see the youtube vid, i am considering doing something similar but i don't have the center cat like yours does....did you go with the 70 series muffler?
Vid in my profile with 70 muff
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Buildthread [url]http://www.jeepforum.com/forum/f197/jeep-norway-2th-buildt-overland-upgrade-1813490/[/url]

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Unread 04-12-2013, 02:08 PM   #12
jeep04
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Just watched it thomahawk, it sounds good nice and deep, even watched your winter driving one and damn dude i was concerned for you passing that semi,.... i wonder what it would sound like with a resonator where the earlier wj's have their main cat as this is what Kolak suggests doing if your 04 doesn't have a main cat and i'm not sure about putting a resonator where there wasn't one when i have never had drone problems other then with a 44 & 40 series flowmasters which i don't intend on using.
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04 Jeep wj Limited 4.7 <> 6.5" Iron Rock long arms front & Adjustable lowers on rear <> Bilstein 5100's <> 285/70r17 Goodyear Duratracs <> M/T black classic lock wheels <> Addco swaybars <> Superchips 3875 <> Magnaflow Stainless exhaust <> 2 Kicker comp 12's <> Kenwood head unit.
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Unread 04-12-2013, 03:03 PM   #13
Thomahawk
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Thanks, its sure sound deeper in real life, vid is made with iPhone only, mic does not capture the deepest tones. I really enjoy the sound everyday, Get compliments for it all the time.

And yeah, That Winter driving is funny, was great amount of new snow on the Road That day, 3th day of winters biggest snow storm.
I love Winter driving,,,,
Quadradrive + Hakkapelitta = AWSOME traction
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2004 Grand Cherokee Overland 4.7 HO Quadradrive
95 ZJ Limited 5.2 Winter Project
Sold 94 ZJ Laredo 4.0 Winter Beater
R.I.P. 2000 Grand Cherokee Limited, 4.7 V8, Quadradrive, Shale Green Metallic, Agate/Carbon interior, Well modded and highly missed :(

Buildthread [url]http://www.jeepforum.com/forum/f197/jeep-norway-2th-buildt-overland-upgrade-1813490/[/url]

MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
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Unread 04-12-2013, 06:11 PM   #14
WJEEPSMASS
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it cost I believe thru Kolak $379 + shipping... But COntact him he would have the cost specifics cause it may changed based off shipping.. Yes 70 series muffler... You Tube Video I have SUCKS it's way to distorted Its been raining all day here in Mass, I will try and get a good one But on the high way in the car and when I am passing MY GOD what a sound! It is awesome!!!
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Unread 04-12-2013, 08:34 PM   #15
jeep04
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I'm sure it sounds good but what are you comparing it to.....just stock? I look forward to seeing the video but no matter how high quality it still sounds different in person which is why I ask what you were comparing it with......I have had way to many mufflers (6) and one is always to loud and the other to quite....
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04 Jeep wj Limited 4.7 <> 6.5" Iron Rock long arms front & Adjustable lowers on rear <> Bilstein 5100's <> 285/70r17 Goodyear Duratracs <> M/T black classic lock wheels <> Addco swaybars <> Superchips 3875 <> Magnaflow Stainless exhaust <> 2 Kicker comp 12's <> Kenwood head unit.
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