do88 vacuum hoses in red for 1999–2001 Audi S3 1.8T (APY/AUL) provide vehicle-specific replacement vacuum plumbing for those engine applications. They follow the original vacuum routing and are intended for use when factory lines deteriorate or develop leaks. The red color offers a visual distinction while restoring correct vacuum connections on the specified S3 models.
do88 99-01 Audi S3 1.8T (APY/AUL) Vacuum Hoses - Red