The ULTIMATE exhaust system for the Infiniti Q50 and Q60. The ONLY sound adjustable Q50 and Q60 exhaust system. The AAM Competition Q50 & Q60 3" True Dual Premium Adjustable Exhaust System will give your Infiniti Q50/Q60 incredible flow by significantly reducing exhaust back pressure. Mandrel bent and hand welded right here in our US facility, the AAM Competition Q50 & Q60 3" True Dual Premium Adjustable Exhaust System features 3" T-304 stainless steel tubing and a specially designed racing muffler that is designed to provide maximum power and adjustability of the exhaust note to be changed between a quiet, conservative sporty street exhaust note, to a much louder, more aggressive race exhaust note on the fly. As with most factory exhaust systems, the Q50/Q60 exhaust can be significantly improved. What is the leading problem with the Q50 and Q60's factory exhaust system when in comes to power? It is simply not big enough - factory tubing diameter is too small and makes the exhaust to restrictive. This system is adjustable from the driver’s seat via a remote that allows you to change between a quiet, conservative street exhaust note, to a much louder, more aggressive race exhaust note on the fly. CAD designed for optimum performance, much effort has gone into the AAM Competition Q50 & Q60 3" True Dual Premium Adjustable Exhaust System to eliminate drone and rasp, making this the perfect performance exhaust for your Infiniti Q50 and Q60 both as a daily driver and as a top track performer.