tips on tuning my integra?

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hello i own a 1996 integra gsr with a borla catback exhaust & yonanka header, it also has a k&n air intake.
i have removed the a/c pump and some interior parts for weight reduction. any other aftermarket parts or ideas to make my integra a little more peppy than it already is????????????????????

 

[g3teg97]

Tune.

If you have the stock catalytic converter, that would be restrictive. There are high-flow cats or even test pipes out there.

The mods you have now cannot live to their full potential without tuning.

 

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i am afraid of taking my catalytic converter out because would the o2 sensor detect it and turno on my ''check engine light''
how much does a high-flow cat cost?