deep sounding exhaust
Senior User
Joined: Mar 2000
Posts: 115
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From: Pittsburgh (Iron City)
Wished I had the money for flowmaster when I redid mine. I am running plain old glass packs and a custom pipe out the side in front of the rear tire. Even with both cats on it still and probably both blocked as hell, it is still loud. Combine that with the 33 in mud tires and it makes for a heck of a truck. If I wasnt a Yankee I would be a redneck...lol
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Senior User
Joined: Nov 2003
Posts: 348
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From: Alberta
I think gutting a cat converter is a great idea! Bore a 2 inch or so hole right though it. It could serve as a fake cat or alone as a perfrmance muffler. Problem is, how do we bore a hole though it? Use a giant drill bit?
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Senior User
Joined: Oct 2003
Posts: 198
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From: no
I gutted my cat today and it was not that hard. First I disconnected my muffler from the catalytic convertor. Then I used a 20lb breaker bar that i use for chipping ice in the winter to shove inside the cat and break up all the filter. I just kept jamming it in there to smash up the inside into small pieces, then I reached in with my 24" grabbing tool and pulled out all the pieces. The tiny little flakes of everything that were left over blew out when I took the truck raging through town with the cat-back still off of it (man was it loud). The catalytic convertor is now clean and free-flowing and it has a nice rumble to it. Has anyone else done what I did to my Bronco? Have you noticed any difference?
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Senior User
Joined: Oct 2003
Posts: 198
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From: no
so now that my catalytic convertor is gutted and i have a free-flowing muffler, would i be able to add more rumble to my exhaust if i put a larger diameter tailpipe on? right now it is just an aftermarket 2.5" tailpipe.
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Joined: Oct 2000
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Originally posted by 1big79
so now that my catalytic convertor is gutted and i have a free-flowing muffler, would i be able to add more rumble to my exhaust if i put a larger diameter tailpipe on? right now it is just an aftermarket 2.5" tailpipe.
so now that my catalytic convertor is gutted and i have a free-flowing muffler, would i be able to add more rumble to my exhaust if i put a larger diameter tailpipe on? right now it is just an aftermarket 2.5" tailpipe.