Test pipes / exhaust
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Joined: Aug 2012
Posts: 41
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From: Im Located in PA
So i bought a g37 with am exhaust system.... has test pipes with no cats and a y pipe running into a true dual exhaust... TO MUCH RASPING AND CRACKLING... if i put back oem resonators will it cut it out some ?? or should i also put back the oem test pipes with the cat?? please some advice !
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