4.7 HO exhaust system - JeepForum.com
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post #1 of 4 Old 09-01-2014, 07:00 PM Thread Starter
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2004 WJ 
Join Date: Feb 2013
Location: New lenox
Posts: 14
4.7 HO exhaust system

I would like to change my muffler/tail pipe on my 04 wj HO but autozone, advanced rockauto etc. dont carry anything for HO, been told i need to go to dealer for these parts. any recommendations. im not looking to increase performance or noise. i just want to replace current muffler which is broken with the proper muffler

Angus3531 is offline  
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post #2 of 4 Old 09-01-2014, 07:14 PM
leadsled jeep
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2002 WJ 
Join Date: Sep 2006
Location: TriCities
Posts: 1,583
Contact Nick at Kolak Performance. Kolak@aol.com

'02 Overland 190k+ miles. 2.5" lift w/springs. All Control Arms upgraded, dual Addco sways.
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post #3 of 4 Old 09-01-2014, 07:45 PM
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2004 WJ 
Join Date: Feb 2013
Location: Midvale
Posts: 706
+2 for kolak I got his setup on mine and love it he is awsome and he knows alot about our wj

UJC #181 2004 jeep Grand Cherokee 4.7L v8, 2"bb, kolak 3 " exhaust flowmaster 50 SUV , Rola roof basket, k&n cai,245/75 /16 A/T
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post #4 of 4 Old 09-02-2014, 04:45 AM
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2002 WJ 
Join Date: Nov 2006
Location: pa
Posts: 170
I put in the magnaflow high flow cat and muffler and love it.The 4.7 exhausts should all be the same from the wj years

Every time I look at my Jeep it cost me more money!
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