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That settles it I need to remove my cats asap should resolve my issues. I read the posts and I am having the same crap I just dont have a supercharger. JK did you weld the exhaust your self?
Yes, I welded them myself. I just welded on a set of new mufflers. I was going to go with the Magnaflows at first because of the better flow, but I lost a lot of off idle tq, so I went with a couple 40 series Flows to get the lowend tq back. Feels much better. I'm going to make a sound clip tomorrow. Maybe a couple vids too while I'm at it
I have always been told that flowmasters reduce preformance????
If i understand it, he is using them in place of the cats. If thats the case, more flow = better