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The engine number might (or might not)give you a clue to what it is......
Detecting an upgraded tune may be a little more difficult, but clues like a throttle body upgrade and cold air intake may help.
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2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley.
2001 MV Agusta F4.
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