Catalyic Converters --Yes or NO
Thread Starter
Heel & Toe
Joined: May 2017
Posts: 18
Likes: 0
From: Corsicana,Tx
Catalyic Converters --Yes or NO
Have a 98 with a mild hydraulic roller cam, Fast intake, long tube headers & X-pipe exiting through Billy Boat exhaust. The car currently has no catalytic converters.
Should I have some installed? Plus's and minus's?
Thanks,
Should I have some installed? Plus's and minus's?
Thanks,
Le Mans Master
Joined: Sep 2014
Posts: 5,278
Likes: 539
From: Kelowna BC
If you want to reduce the noise; install
If you want to help the environment; install (of course eventually when the car is junked it's more junk)
I bought new Magnaflow cats when I installed my TSP headers. Wish my car was just a tiny bit louder sometimes...
If you want to help the environment; install (of course eventually when the car is junked it's more junk)
I bought new Magnaflow cats when I installed my TSP headers. Wish my car was just a tiny bit louder sometimes...
Team Owner
Joined: Oct 1999
Posts: 31,977
Likes: 487
From: Guinness Its whats for B'fast JAWGA
CI 3-4-5-9 Veteran
A good set of aftermarket cats robs very little HP.
I don't want to deal with the smell of going without cats, and it is just easier to deal with my annual emissions inspection.
I wouldn't change from factory cats unless they are bad until you install a set of headers as always research what is legal in your area.
I don't want to deal with the smell of going without cats, and it is just easier to deal with my annual emissions inspection.
I wouldn't change from factory cats unless they are bad until you install a set of headers as always research what is legal in your area.
Safety Car
Joined: May 2016
Posts: 4,669
Likes: 1,849
From: Erlanger, Kentucky
This. I always go with cats when getting any aftermarket exhaust. I don't want to pollute the environment, you won't lose any power (1-2 hp), and I like my exhaust a little quieter rather than louder.
With your set up, I doubt some cats will quiet things down very much.
With your set up, I doubt some cats will quiet things down very much.
Thread Starter
Heel & Toe
Joined: May 2017
Posts: 18
Likes: 0
From: Corsicana,Tx
Team Owner
Joined: Oct 1999
Posts: 31,977
Likes: 487
From: Guinness Its whats for B'fast JAWGA
CI 3-4-5-9 Veteran
What brand headers do you have? It maybe easiest to buy the needed sections to add cats from the manufacturer of you headers.
Last edited by 93Polo; Aug 23, 2018 at 12:41 PM.
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Thread Starter
Heel & Toe
Joined: May 2017
Posts: 18
Likes: 0
From: Corsicana,Tx
Le Mans Master
Joined: Sep 2014
Posts: 5,278
Likes: 539
From: Kelowna BC
Team Owner
Joined: Oct 1999
Posts: 31,977
Likes: 487
From: Guinness Its whats for B'fast JAWGA
CI 3-4-5-9 Veteran
Le Mans Master
Joined: Oct 2010
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From: cold & windy
