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aftermarket exhaust on the E90 M3?
don't recall them having valvetronic system at all from factory on the exhaust.
driving mode is irrelevant for legal reasons as well. no different from not letting us use the car on manual shift mode either.
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13' Nissan DBA-R35 GT-R Black Ed - Black met. - "Sophia"
90' Honda EF Civic HB // 04' Honda Pilot Granite
- The Drinker of Many Many Coffees @ McLaren Vancouver
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