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  #13  
Old 09-11-2012, 06:51 AM
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Re: HO exhaust question

The 04s with the two cats only have different design than the precats of earlier. There were lots of complaints about resonance issues when 2-cat 04 owners started putting on Kolak exhausts. Even on my 02, running a gutted cat and a 4x14 Magnaflow was a bit much (not drone, just loud).
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Old 09-11-2012, 07:33 AM
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Re: HO exhaust question



Found this video of an '04.

Strangely, the guy says in the comments, that he has the main cat and two pre cats still fitted
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Old 09-11-2012, 07:54 AM
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Re: HO exhaust question

Again, it is a late 2004 thing only. Early 04s had the old system.
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  #16  
Old 09-11-2012, 03:33 PM
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Re: HO exhaust question

Ah! Apologies I wasn't paying attention
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  #17  
Old 09-12-2012, 08:55 AM
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Re: HO exhaust question

Quote:
Originally Posted by cheapjeep View Post
Thanks for all the input guys! The reason I am so curious about this is I'm seriously considering Stonecold's muffler delete and going to 3" the whole way from the y pipe to the bumper. I'm afraid it might be too loud with the 2 cat system.
I was thinking of the same thing you try it and let me know ha ha
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