IE 3.5" Turbo Inlet, FY Q5/SQ5 EA839 3.0TOne of the highest flowing turbo inlets on the market! Upgrading our Audi 3. 0L turbocharged engine with aftermarket upgrades such as ECU tunes and larger turbos adds fast and easy power, but demands more airflow in return. The factory airbox and turbo inlet are adequate enough for stock power output, but become a large restriction on engines with aftermarket upgrades that can restrict horsepower. Pairing an IE Cast Turbo Inlet Pipe to your upgraded