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Engine Catback Exhaust

Discussion in 'Powertrain' started by Barnacules, Dec 31, 2004.

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    Barnacules 100101101011011

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    Catback Exhaust

    I'm looking at this Alpha Works cat back exhaust system for the 01 corolla and I was wondering what kind of gains I can expect realistically from changing out my stock exhaust system with one of these with 2.5inch pipe.
    Barnacules, Dec 31, 2004
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    polo708 New Member

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    as for overall hp, not very much. What it does do is help your power curve level out. Definately a great mod.
    polo708, Jan 4, 2005
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