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do88 pressure hoses for Audi S4 and A6 2.7L BiTurbo engines (1999–2002; AGB/AJK/AZA) are available in blue as replacement turbo/intercooler charge-air lines. These hoses address boost plumbing needs specific to the listed engine codes and model years, providing a color-matched service part for repair or upgrades. They are formed to follow factory routing on those Audi applications.
do88 99-02 Audi S4/A6 2.7L BiTurbo (AGB/AJK/AZA) Pressure Hoses - Blue
