exhaust cutout????
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![Question](https://ls1tech.com/forums/images/icons/icon5.gif)
is a exhaust cutout worth installing. i'm thinking about installing 1 right before the muffler. is there any real gains from this or is it mainly the sound it will make when i floor it. also my exhaust system is a 3 inch.....should i get a 3 inch cutout or will a 3 1/2 slide right over the 3 inch