GRAIL BMW M2 Competition Klappenabgasanlage / 3-Zoll / OPF OMP By installing the SMN650 Power

By installing the SMN650 Power Pack

there is a measurable gain across the entire rev range of up to 12hp

- BMW G80 M3 (2021+)

which is a significant improvement over the OEM of 835 CFM

Increase the performance and durability of your 2021 BMW G8X M2/M3/M4 with the do88 pressure pipe

GRAIL BMW M2 Competition Klappenabgasanlage / 3-Zoll / OPF OMP By installing the SMN650 PowerLoud but Legal GRAIL flap exhaust systems with ECE type approval can be used on your EU vehicle without registration. They are made by hand in Germany from high quality L304 stainless steel and produce an unmistakable sound that will give you goosebumps the first time you start the engine. If you are driving an imported vehicle with an operating license, please find out before purchasing whether you need to have the exhaust system registered in your