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 Upgrade  your handset from STG1 to STG2 tuning.


There's no need to pay full price again to upgrade your STG1 software to STG2 software, from just £175+VAT we will upgrade your software, including appropriate software changes for additional hardware such as Sports-Cats, Upgraded Full Exhaust system, Full Intake System. 


STG 1 to STG 2 Handset Software Upgrade

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