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Cutouts- Pre cats or Post Cats.

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Old 12-02-2008, 10:29 AM
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Default Cutouts- Pre cats or Post Cats.
Hey guys, im sick of my muffler, so im trying to get my hands on a stock muffler and then get some cut outs. Should i place my dual cut outs after the cats or before the cats. which is best for sound? Performance? Thanks
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Old 12-02-2008, 11:10 AM
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After or you will be throwing codes.
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Old 12-02-2008, 12:19 PM
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Old 12-02-2008, 12:52 PM
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Old 12-02-2008, 01:30 PM
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I put mine after the ball-socket joint in the stock exhaust system.
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Old 12-02-2008, 01:58 PM
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AFTER or you got
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Old 12-02-2008, 02:20 PM
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so will i need a retune with the cutouts? Also what would yield better mileage in highway driving cut outs open, or stock muffler?
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Old 12-02-2008, 02:22 PM
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i put mine here... this pic makes my truck look rusted

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Old 12-02-2008, 02:23 PM
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Originally Posted by Thechevyman122
so will i need a retune with the cutouts? Also what would yield better mileage in highway driving cut outs open, or stock muffler?

if you have it open im guessin there will be a small increase in mileage. it wouldnt hurt to get it tuned for the cutouts
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Old 12-02-2008, 06:11 PM
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Yeah I got mine after the sensors. Its funny to pull up to a lite and watch the people jump when I romp on it.. hahaha.
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