For DIY customers looking to adapt APR's inlet system to other intake setups, APR offers the Carbon Fibre Back Tube and Cast Aluminum Turbo Inlet separately. Please note that adapting these to other intake systems may require special couplers.

Features:
Massive 4" carbon-fibre tube
Works with the factory intake or APR intake filter
Designed for use with the APR Turbo Inlet Pipe
Massive flow gains
Increased horsepower and torque
Better throttle response
Enhanced engine sound
 
Suits front section CI100038-A.
 
Fits: 2017–2022 Audi RS3, Audi TT RS
 
Part #: CI100038-B