Originally Posted by NITROUS Spend the money and get you some Random Technology 3" Metal Matrix cats and you'll get rid of the smell but keep the horsepower. I love mine even though I deleted my rear O2's. Searchin....
5.3L '86 Silverado (E/T: 14.37s @ 94mph) - First Time Out!Test-n-Tune (Nov 23, 2008) - 13.65s @ 98mph
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Originally Posted by NITROUS
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