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The do88 intercooler-to-throttle hose for 1991–1997 Audi S4, S6 and A6 2.2T (C4 AAN) provides the connection between the intercooler and throttle body in that turbocharged layout. Offered in blue, it’s a vehicle-specific replacement hose intended to restore the charge-air path and support proper boost delivery on the listed Audi 2.2T C4 applications without altering routing.
do88 91-97 Audi S4/S6/A6 2.2T C4 (AAN) Intercooler to Throttle Hose - Blue
