Our cat-back for the BMW M340i G20 is a solution that replaces the OPF with a flow section, which requires the use of an emulator or tuning. The system is equipped with a throttle cooperating with the serial control. The ends are fitted under the dummy bumpers.

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Technical data::
Diameter: 3.5″ -> 2×3″
Material: T304L stainless steel
Valves: 1 pcs.
Plug & play installation: yes