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high flow cat?

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Old 27-Apr-2010, 10:38 PM
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high flow cat?
Do they significantly reduce back pressure? im planning on doing my hole exhaust system and buying a decent cat back system and upgrading to a bigger engine hopefully soon so would anyone recomend a high flow cat or should i just stick to a regular OE cat?
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Old 28-Apr-2010, 12:45 PM
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^what is your current engine? What are your future plans/power goals?

Yes, high flow cats flow much better than oem cats, but you may run into trouble passing emissions test.
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Old 28-Apr-2010, 07:06 PM
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When you redo the exhaust do not go too big in diameter. You will not gain any power from running 2.75"-3" exhaust. You will just loose low end torque.
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