Catalytic Converter Removal
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Senior User
Joined: Apr 2008
Posts: 266
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From: Michigan
Catalytic Converter Removal
There maybe be another thread with this topic, but my search tool doesn't seem to be working right.
Anyways, can i remove one cat without having any problems?
Thanks!
Anyways, can i remove one cat without having any problems?
Thanks!
Senior User
Joined: Mar 2009
Posts: 370
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From: Diboll, Tx.
If you have the stock setup you can remove the rear cat without any problem. But if you have to pass emissions tests, you might want to remove them both and have a single high flow cat installed. There are newer cats that will do the same job as the older dual cat setup.
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Senior User
Joined: Apr 2008
Posts: 266
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From: Michigan
If you have the stock setup you can remove the rear cat without any problem. But if you have to pass emissions tests, you might want to remove them both and have a single high flow cat installed. There are newer cats that will do the same job as the older dual cat setup.
Junior User
Joined: Dec 2008
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From: Henderson,Nv
Why take the cat off ? Do you get more power?
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Senior User
Joined: Apr 2008
Posts: 266
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From: Michigan
I want it a little louder than it is now.
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From: Virginia
If the engine starts pinging, you might have to put it back on. I ran into this trouble on my old 80, because the EGR's on some of these engines work on exhaust backpressure. If you lower the backpressure, it lowers the amount of EGR, and that will make the engine want to rattle and ping, especially when running down the interstate.
You may also notice the exhaust noise inside the truck is very tinny and annoying if you gut the cat. If you want to avoid that, run a pipe through it to get rid of the "echo" chamber that results when you chunk the guts out.
You may also notice the exhaust noise inside the truck is very tinny and annoying if you gut the cat. If you want to avoid that, run a pipe through it to get rid of the "echo" chamber that results when you chunk the guts out.
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Fleet Mechanic
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From: patricia ab canada
a old boss i used to work for had an 89 cobra mustang with no mufflers just cats.that snake was loud when you stomped the go pedal. but had a nice rumble at idle. the new cats they have out there flow really well.but my exhaust guy says any thing over 100,000 miles, the cat is usually toast anyway.just keep in mind if where you live has emissions testing,you might just regret cutting them off.
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