exhaust and warranty
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Hes right go with a catback system and you wont have any problems. I went with the Borla split rear and love it. It was very easy to install (only 45 min start to finish), All mandrel bent T304 stainless steel with a million mile warranty. Not loud at idle or cruise, no drone in cab. Sounds great when you get on the gas. I bought mine off of e-bay for $550, so far the best price to be had. They also make one with a single exit out the side and one with a dual exit out the side if you dont want duals out the rear like mine. Good luck with whatever you decide.
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