I had my exhaust re-done and i absolutely love it. I had Thrush glasspacks and wanted something louder. Did the whole cat delete and super 40's on both sides. But when i looked under the truck i noticed that there was still 2 more cats. So i went back the next day and they removed them. The truck sounds amazing, until i get going it sounds like a good deep muscle car rumble. Very loud and clear. Only thing i know that taking all cats off was going to set the check engine light. Does anybody know how to get rid of the light? Not really a big deal if i cant get rid of it. I swear i love just hearing my truck start up. If anybody is in the north area of jacksonville florida take your truck to S&S custom exhaust off of Beach BLVD. Went in and was out in an hour and a half. Get little shop.