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Thread: CAT back?
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Old 09-11-2011, 10:38 AM
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You will get a slight improvement now that you do have a CAI already.

What I'd do is save up for the system you want and not do the exhaust twice.

A straight pipe will be really loud and you may end up with a loss of low end torque as you need some backpressure in the exhaust system.
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