i have a question.. needs some1's help on something

Discussion in 'OT Driven' started by ushi85, Apr 7, 2004.

  1. ushi85

    ushi85 Guest


    i drive a 99 Civic SiR.. ive got an AEM cold air and DC header 4-2-1 and reactive exhuast.. took out resantor day after emissions :x: .. but my question is should i get a high flow cat or should i keep stock one.. cause this one guy who i was talking to told me that i am missiing out on alot more power if i just get a high flow cat.. thought about it and could see the possibilty so i just wanted to ask some1 on here what they think..

    thx alot

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