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The Injen polished intercooler piping kit for 2018–2019 Audi S4/S5 (B9) 3.0L Turbo replaces factory charge pipes with mandrel‑bent 6061 aluminum hot and cold side tubing for a smoother airflow path. The kit includes silicone couplers, clamps, sensor flanges and all hardware for a direct bolt‑on installation to work with the OE intercooler and improve throttle response.
Injen 18-19 Audi S4/S5 (B9) V6 3.0L Turbo Polished Intercooler Piping
