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CTS TURBO B9 AUDI A4, AllRoad, A5, S4, S5, RS4, RS5 High-Flow Intake System

CTS TURBO B9 AUDI A4, AllRoad, A5, S4, S5, RS4, RS5 High-Flow Intake System

CTS TURBO
Disponibilidad:
5+ en stock, listo para ser enviado

Ships in 3–5 business days

SKU CTS-IT-964
$379.99 - $379.99
$379.99
$379.99 - $379.99
$379.99
CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

Not CARB legal – cannot ship to CA

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Our New Air Intake System for the B9/B9.5 Audi A4, Allroad, A5, S4, S5, RS4, and RS5 features a newly designed sealed Rotomolded airbox and air ram air scoop to efficiently direct the outside air into the intake system.

Air flows through our high-flow 6" velocity stack air filter before entering the engine through a smooth 3.5" 5-ply silicone turbo inlet hose, helping reduce restriction while maintaining excellent fitment and durability.

The enclosed Rotomolded airbox helps isolate the filter from engine bay heat while the CTS Turbo air scoop provides a direct supply of fresh air. All of the components included in the CTS Turbo intake system work together to provide increased horsepower and torque throughout the power band along with a more pronounced induction sound. Turbo spool-up and diverter valve release are also a bit more noticeable. This intake is designed to be efficient in operation, with only a slight increase in sound.

Our intake has shown gains of 15HP on a stock vehicle, with tuned vehicles seeing even greater improvements.

Features:

  • CTS Turbo rotomolded enclosed airbox, utilizing factory mounting location
  • CTS Turbo fresh air scoop for cool air supply
  • Massive 6" velocity stack air filter
  • Easy installation and excellent fitment (couplers are supplied for fitment with 1.8T, 2.0T, 3.0T and 2.9T engines)
  • Improved engine performance with reduced turbo lag
  • Enhanced induction sound with louder turbo spool and diverter valve release
  • Compatible with factory or CTS Turbo inlet pipes for S4 and S5 models

Fitment:

  • B9/B9.5 Audi A4 (2017–2025)
  • B9/B9.5 Audi A5 (2017–2025)
  • B9/B9.5 Audi AllRoad (2017–2025)
  • B9/B9.5 Audi S4 (2018–2024)
  • B9/B9.5 Audi S5 (2018–2024)
  • B9/B9.5 Audi RS4 (2018–2024)
  • B9/B9.5 Audi RS5 (2018–2024)

Note: Does not fit vehicles equipped with a MAF sensor. Verify that you car does not have a MAF sensor after the factory airbox.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 6 applications
S4
Make Model Engine Years
AUDI S4 (B9) 2018–2024
A5
Make Model Engine Years
AUDI A5 (B9) 2018–2024
A4
Make Model Engine Years
AUDI A4 (B9) 2017–2024
RS5
Make Model Engine Years
AUDI RS5 (B9) 2018–2024
RS4
Make Model Engine Years
AUDI RS4 (B9) 2018–2019
S5
Make Model Engine Years
AUDI S5 (B9) 2018–2024

Fitment data last updated: 2026-09-29

Fits 6 vehicle applications Check vehicle fitment before ordering View fitment

About this Cold Air Intake

The CTS TURBO CTS-IT-964 air intake system replaces the factory airbox and intake tube to let the engine breathe more freely. Intakes typically bring a sportier induction sound and can improve throttle response, especially on turbocharged engines.

Frequently asked questions

How much power does an intake add?

Gains vary with the engine and are usually modest on a stock car; turbocharged engines and cars with other modifications tend to benefit more. Many buyers choose an intake as much for the sound and response as for power.

Is this intake legal in California?

In California and states that follow its rules, an aftermarket intake must have a CARB Executive Order (EO) number for the specific vehicle to be street legal. Check the product details for an EO number before buying for road use in those states.

Will an intake cause a check-engine light?

A quality intake designed for your car should not. Problems usually come from a poorly sealed connection, a damaged sensor, or over-oiled filters contaminating the mass air flow sensor.

How do I maintain the filter?

Inspect it regularly. Reusable filters can be cleaned and, if they are oiled, re-oiled lightly using the maker's kit. Dry filters can be cleaned or replaced according to the maker's instructions.

How do I make sure this air intake system fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.

Euromotiv is an independent retailer of OEM, Genuine, and aftermarket automotive parts. We are not affiliated with, endorsed by, or authorized by Audi AG, Volkswagen AG, BMW AG, Mercedes-Benz Group AG, Dr. Ing. h.c. F. Porsche AG, MINI, or any other vehicle manufacturer. All trademarks, logos, and brand names are the property of their respective owners and are used solely for identification and compatibility purposes.