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Rear Muffler with Valvetronic-System
Chassis: F90
Upgrade your BMW G09 XM with the finest quality mirror covers available
Please note that instructions are not included but the installation process is straightforward and can be completed quickly
Balanced tone: subtle when you want it
Dinan High Performance Heat Exchanger - BMW F30 / F32 330i / 340i / 430i / 440i 6NJ Rear Muffler with Valvetronic-SystemThe Dinan B4x B58 heat exchanger for the F2x F3x chassis assists in mitigating these issues with a more robust core (48mm thick Dinan core vs. 27mm thick OEM core) that wields 78% more heat transfer surface area for improved cooling capacity. The significant increase in core thickness requires unique "L" shaped end tanks to be incorporated as well, which also contributes to the overall thermal mass (ability to absorb, store, and release heat)
