Magnaflow Cat-Back Exhaust for F8X BMW M3/M4 (19187) K&N Wastegate open pressure setting for

Wastegate open pressure setting for controlling boost spikes and faster spool

SD is the "Standard Duty" and can handle up to 450 WHP

With these replaceable friction plates there is no need to replace the entire flywheel when the clutch or flywheel is at the end of it's life

• Includes 1/8-in NPT port for use with additional temperature sensors

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Magnaflow Cat-Back Exhaust for F8X BMW M3/M4 (19187) K&N Wastegate open pressure setting forMagnaFlow Sport Series Black Cat Back Exhaust for 2015 2020 BMW M3 M4. Features a full, 409 stainless steel construction with mandrel bent 2. 5" tubing and 3. 5" dual tips with a stealthy satin black high temp coating throughout. Vehicle Fitment: 2015 2018 BMW M3 (F80) 2015 2020 BMW M4 (F82 F83) Install Instructions: PDF Install Guide The Sport Series Black Exhaust System delivers maximum performance, reduced mass and an aggressive exhaust sound.