Upgrade Charge Pipe Kit for BWM S55 3.0L Turbo Engine Application: 2015-2018 M3 F80 2015-2020 M4 F82 F83 2019-2021 M2 Competition Description: Made of lightweight and durable alminum and designed with CNC flange and protruding lip Pre-capped 1/8" NPT bung into each pipe By increasing the size of engine booster by tube, more airflow is allowed. No installation instructions.
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