Delivers up to 41% more airflow over stock.
Delivers up to 41% more airflow over stock.
Increased airflow (42% over stock), improved throttle response, and high-quality glass carbon fiber construction - Tough, light, and great looking!
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*Fits 2019+ model year - Includes new IE Diverter Valve Adapter Kit*
This intake offers horsepower and torque gains throughout the powerband, with peak gains of up to 33 crank horsepower and 36 ft-lbs of torque on stock turbo tunes with 4” inlets.
For 2019+ models you must purchase this adapter kit: ES4146991
CTS-IT-255R 4.0" Inlet - Increase horsepower and torque while adding an aggressive, race inspired sound!
Fits 2019+ models only
Specially designed air box prevents heat soak, ca be installed enclosed or open.
Horsepower and torque gains throughout the powerband, with peak gains of up to 21 crank horsepower and 16 ft-lbs of torque on stock turbo tunes with 4” inlets.
For 2019+ models you must purchase this adapter kit: ES4146991
Easily adapt your ECS Tuning Kohlefaser Luft-Technik Intake to 4.0" aftermarket OE location turbo inlet pipes!
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For use with ECS Tuning Kohlefaser Luft-Technik Intake System
This product was last offered at the strikethrough price on
06-13-2026
This 4 inch air inlet pipe will allow you to keep the factory airbox while providing a full 4 inch intake tract.
For 2018+ models
CTS Turbo 4" Turbo Inlet Pipe Required for install
Manufactured from high temperature prepreg carbon fiber - Offers unrestricted airflow to the turbo!
Allows your IE Carbon Fiber Intake to fit most non-IE brand 4" turbo inlets
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Allows for an easy and direct fit for the IE Carbon Cold Air Intake System on 2019+ RS3/TTRS models
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Allows fitment of IE Carbon Fiber Intake System on 2019+ RS3/TTRS models
Allows for the easy conversion to the new OEM diverter valve style when outfitting your 2019+ RS3/TTRS with a performance intake system!
Required on 2019+ models with the bolt-on style diverter valve hose
Replacement air filter for RS3/TTRS CTS-IT-255/CTS-IT-255-2
Fits 2018 model year only
The filter element deserves to be well looked after and be a part of your regular maintenance schedule.
Replacement for RS3I-FL4, RS3I-02, A4B9-01 Leyo intake systems.