Hi and welcome to the Forum!
Softronic and other custom ECU programs net ~7% hp increase for the Boxster engines. Hence, I find their claims hard to believe for the Boxster.
Porsche 986 Boxster Performance Software Tuning Flash
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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