STRAIGHT PIPING MY TUNED AMG GT R! (Downpipes with Stage 1 Tune)

It's officially loud!! The stock exhaust setup on the AMG GTR sounds great from the factory, but it needs a little more volume. So we fixed that. Please LIKE & SUB if you enjoy watching 👊 Follow me on Instagram:   / brentruiz_   ECU tune by:   / hd_tuning   Fi Exhaust downpipes:   / fiexhaust   Filming help by:   / 0to60_exotics   #mercedes #amg #amggtr Downpipes install Mercedes AMG GT R Straight piped Mercedes AMG GTR Mercedes AMG GT straight piped sound