CTS Turbo 4" Turbo Inlet Pipe for 8V Audi RS3/8S Audi TT-RS

The CTS Turbo 4 inch turbo inlet pipe replaces the restrictive factory component on 2017-2020 Audi 8S TT-RS and 2018-2020 8V RS3 models. Engineered with a full four-inch internal diameter throughout, this inlet pipe eliminates the bottleneck between your intake and turbocharger, allowing the 2.5-litre five-cylinder engine to breathe more efficiently under load. Precision-manufactured from mandrel-bent aluminium and featuring CNC-machined flanges, it delivers a direct fit using factory mounting points. Essential for tuned applications seeking to support increased boost levels and optimise turbo response.