Has anyone replaced their cat converter? - Jeep Commander Forums: Jeep Commander Forum
Exhaust Questions or advice about exhaust systems? This is the place...

 
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post #1 of 3 (permalink) Old 07-23-2010, 10:50 PM Thread Starter
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Has anyone replaced their cat converter?

Just curious if anyone found a replacement that yeilded better mpg and performance. I ask because I think mine is rattling and may be going bad.
Thanks

'06 silver 4.7 4x4, 2" Rough Country lift, 265/70/17 Goodyear Wrangler Duratracs, 17 x 8.5 MB V-Drive wheels, AEM Brute Force CAI, Optima Red Top, Bilstein HD struts up front, and a couple really cool stickers that add somewhere between 10-13 HP
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Last edited by Danny; 07-23-2010 at 11:35 PM.
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post #2 of 3 (permalink) Old 07-24-2010, 08:36 AM
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Danny,
I doubt if a 4.7 can create enouph back pressure to overwhelm the stock catalyst.......maybe around 5000 rpm but thats about it.

If there is no physical damage to the catalyst shell they are covered under the 8 yr. 80k emission warranty.

Rob


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post #3 of 3 (permalink) Old 07-24-2010, 12:24 PM Thread Starter
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Quote:
Originally Posted by robby View Post
Danny,
I doubt if a 4.7 can create enouph back pressure to overwhelm the stock catalyst.......maybe around 5000 rpm but thats about it.

If there is no physical damage to the catalyst shell they are covered under the 8 yr. 80k emission warranty.

Rob
I wasn't aware of such a warranty... good news. Thanks Robby

'06 silver 4.7 4x4, 2" Rough Country lift, 265/70/17 Goodyear Wrangler Duratracs, 17 x 8.5 MB V-Drive wheels, AEM Brute Force CAI, Optima Red Top, Bilstein HD struts up front, and a couple really cool stickers that add somewhere between 10-13 HP
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