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 Upgrade your handset from STG 1 to STG 3 tuning.


There's no need to pay full price again to upgrade your STG 1 software to STG 3 software, from just £250+VAT we will upgrade your software, including appropriate software changes for additional hardware such as Sports-Cats, Upgraded Full Exhaust system, Full Intake System, and Turbo.


STG 1 to STG 3 Handset Software Upgrade

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