Today we’re upgrading the OEM MK6 Diverter Valve (DV) to a GFB DV+. Whilst the stock DV was in good condition, it simply could not hold back over 30 PSI of boost in this MK6 Golf GTI. This resulted in a loud hissing noise on boost. Sound familiar? Why not follow our guide and upgrade your OEM DV today!
This guide is suitable for MK6 Golf GTI and R.
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