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Ships Between 7/18 - 7/20
- What Do You Drive?
- Part #:P-HF977
- It has a special program for valve management (in quiet and loud mode) that is different from the stock version and controls the valves according to rpm, gear, and car mode
- Download installation instructions (PDF)
- This easy-to-install option makes possible louder or quieter settings of the Evolution Line
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