The do88 throttle body hose for 1999–2002 Audi S4 and A6 2.7L BiTurbo (AGB/AJK/AZA) is a direct replacement offered in black. It restores the throttle-body connection to intake plumbing on the 2.7L biturbo engine, addressing leaks or deterioration while providing a discreet black finish for the engine bay.
do88 99-02 Audi S4/A6 2.7L BiTurbo (AGB/AJK/AZA) Throttle Body Hose - Black