hey guys just wanted to get another vote on my dads 5.3 silverado... we just dropped it off at the shop to have the magnuson radix supercharger installed. we also told the guy we want to do exhaust. i have super 40 flows on my bird but ill be honest, they drone you out after a while... so we decided to go with jba headers and borla cat-back... we still have two days to change the order if we want to, and id like to get your guys opinions on this combo.... thanks again!!!!


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