BMW G8X Super Single Exhaust System

BMW G8X M3/4  Super Single Exhaust System   Welcome to the RK SUPER SINGLE exhaust system for the G8X M3 and M4  One of the most popular single exit system designs for the B58 Supra is now available for your S58 M3/4! Ditch the guessing game of which mid pipe and which rear to make your s58 sound deep and throaty without the rasp.  The RK Super Single brings out the deep pure sound the S58 deserves! The RK Super Single line of exhaust systems feature the straightest routing, lightest weights and unique RK look and sound! Coming in at just 16lbs with the resonated version or 13 without, this is the lightest system for the S58 on the market. The RK system mates up to the factory downpipe flanges and merge to a single 3.5" all the way through. The system features a Signature RK muffler with our 4" pie-cut tip terminating out the drivers side with an iconic jdm angle.  They can also be ordered as a Track Edition which is our straight pipe system without any mufflers or resonators. Features