RX7Club.com - Mazda RX7 Forum - (Exhaust) Cat Removal?

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Eriks85Rx7

12-20-08 12:19 PM

(Exhaust) Cat Removal?

The stock rx7 comes with 3 cats on it. Atleast mine does. I know the 6 port actuators need some back pressure my question is how many cats can I remove and still have my ports work. I want some more power but I do not want very loud exhaust.
I really enjoy the quietness of the stock setup how can I gain power without increasing my sound levels dramatically.

jdm_emperor

12-20-08 12:23 PM

you can remove the 2 precats and keep the main cat for your 5th n 6th ports to work, mine still works with no precats and gutted main cat
i have a precat delete pipe for sale just to let you know....:)

Omixeo

12-20-08 07:10 PM

Racing Beat sells and exhaust for your NA that will retain the back pressure for your 6 ports.

jake1191

12-20-08 08:59 PM

Quote:

Originally Posted by jdm_emperor (Post 8814316)

PM me about the delete pipe

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