Your opinion...
Senior User
Joined: Sep 2007
Posts: 335
Likes: 1
From: Spokane washington
Your not going to notice any difference in preformance if you have the cat or if you dont. Unless that cat is completely plugged up it isnt goin to make a difference. I agree with the flanges idea if your insistent about getting rid if the cat. But what I would do is either leave it, or take it off and knock all the crap outa it then put it back up or run a pipe through it. I did what forum155pl suggested on one truck and after an hour I still didnt have everything out and now it sounds kinda weird cause you can hear it rattle a little in the exhuast. So i would not suggest that method personally.
Posting Guru
Joined: Sep 2006
Posts: 1,781
Likes: 1
The only way it will make that much of a difference is if the cats are completely plugged. The "seat of the pants" feel is just the noise difference. As previously mentioned its been dyno tested multiple times by multiple people (speed channel) and the changes it makes is negligible.
Fleet Mechanic
Joined: Apr 2007
Posts: 1,429
Likes: 4
From: patricia ab canada
The only way it will make that much of a difference is if the cats are completely plugged. The "seat of the pants" feel is just the noise difference. As previously mentioned its been dyno tested multiple times by multiple people (speed channel) and the changes it makes is negligible.
i totaly agree.
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