CTS Turbo Throttle Body Inlet Kit for 8V.2/8S Audi RS3/TT-RS (2018)

Code: CTS-HW-373-KIT


In Stock
Included Warranty

12 Months
All CTS Turbo products are warrantied against manufacturing defects for a period of 12 months from the date of invoice. Warranty does not cover abuse, misuse, consequential damages, normal wear and tear, improper installation, or damages resulting from racing. Warranties only apply to the original owner. If a product is found defective the customer will receive, at the discretion of CTS Turbo, free repair or replacement. Warranty on other manufacturers will be processed under their terms.


CTS Turbo is proud to announce our 8V.2/8S Audi RS3/TTRS Throttle Body Inlet Kit for 2018 models

Our high flow throttle body inlet is designed it to be larger, but also more aerodynamic than the stock. Our inlet has a 56% internal volume increase over the stock inlet. Using the latest CAD software, the shape of the inlet tract was flow optimized for best performance.

We have also included our machined throttle body spacer from solid billet with two additional ports and a high-flow throttle inlet pipe.


  • CAD optimized for maximum flow
  • CNC machined in house for perfect fitment
  • 56% larger than stock
  • Cast aluminum construction for better flow than a machined part
  • Direct replacement for factory part
  • HP gain of up to 20hp on stock turbo
  • Compatible with CTS Turbo intake, factory intake and most other popular intakes.


  • 8V.2 Audi Rs3 (2018)
  • 8S Audi TT-RS (2018)

Does not fit 2019 models with updated Diverter Valve. Fits with factory air scoop and aftermarket intakes using factory airbox.

Additional information

Weight 10 lbs
Dimensions 20 × 10 × 7 in



Make Model Year Generation
Make Model Year Generation
AUDI RS3 2018 8V