BMW M135i (F20/F21) Cat Back Performance Exhaust Tips:TP91 The original rubber mounts degrade

The original rubber mounts degrade with time resulting in excessive engine and gearbox movement

This performance exhaust is designed to fit 420D vehicles with the M-Sport bodykit with the addition of the interchangeable quad exit M4 Style lower rear panel

* Predictability because of the flat friction curve

Example of the Audi RS3 (8V) / TT RS (Mk3) Performance Exhausts (Secondary Catalyst Delete Pipes)

GPF BackPerformance ExhaustsTest Results:

BMW M135i (F20/F21) Cat Back Performance Exhaust Tips:TP91 The original rubber mounts degradeCobra Sport performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience. Our sports exhausts range is fully guaranteed to give you assurance of our quality. This BMW M135i performance exhaust is made in 3" 76. 2mm pipework and fit from the catalytic converter section backwards (Cat back) these exhausts replace the centre and rear sections. This resonated exhaust includes the centre silencer and