Thread: Corsa, which Highflow cat do you recommend?
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Old 03-10-06, 10:04 AM
Rob S Rob S is offline
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Corsa, which Highflow cat do you recommend?
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As the title states, which is recommended with your system? Or is factory as good as it gets? I have the exhaust for my 99 STS, just waiting to figure out which cat before I install. TIA