Cats or no Cats???
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New User
Joined: Jun 2003
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Cats or no Cats???
Can any one help here?? I have a 1998 F150 Extended cab. I was wondering what would sound the best?? Should i leave the cats on or cut them out?? Also what exhaust would sound the best? I am open to all sugestions here!! I am looking at either flowmaster 40 series or just some cheap glass packs. Thanks
Posting Guru
Joined: Dec 1999
Posts: 1,903
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From: Copley, OH
Cats or no Cats???
Leave the cats in place. You have OBD-II diagnostics which continually monitor cat function. If you remove them, aside from violating federal law, your PCM will throw all sorts of error codes andthe truck will probably run like crap.
New User
Joined: Jul 2003
Posts: 7
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From: NW Georgia
Cats or no Cats???
Don't do it.
I just did, cranked it up, was thrilled because it had a mustang type tone -UNTIL I got it out on the road.
It leaves you with an aweful "clatter" from the exhaust bouncing around in the empty cats.
We bought O2 simms to trick the computer from knowing there's no cats.
So...if you could find an "off-road" pipe or straight pipe -go for it, but don't gut the cats because you will regret it -I do!
Alan
I just did, cranked it up, was thrilled because it had a mustang type tone -UNTIL I got it out on the road.
It leaves you with an aweful "clatter" from the exhaust bouncing around in the empty cats.
We bought O2 simms to trick the computer from knowing there's no cats.
So...if you could find an "off-road" pipe or straight pipe -go for it, but don't gut the cats because you will regret it -I do!
Alan
Elder User
Joined: Dec 2002
Posts: 608
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From: TAOS NM
Cats or no Cats???
been there done that and here i am 2day still not happy and still spending more dow on mufflers, if only i had just got tru duals and flowmasters 40 originals in the begining i could be spending this money on a new chip or something. in short do it right once!
and i think glass paks sound tight on chevy's.
and i think glass paks sound tight on chevy's.
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