Audi RS3 (8V 8Y) / TT RS (8S) Throttle body spacer 9000 Catless Racing System - Check

Catless Racing System - Check Your Local Laws

75') mandrel bent seamless aluminum pipe

there is three choice that needs to me made:

Maptun Performance Lowering Spring Kit 900 94-98

Audi RS3 (8V 8Y) / TT RS (8S) Throttle body spacer 9000 Catless Racing System - CheckIntroducing the do88 Throttle Body Spacer for Audi RS3 and TT RS optimized for top performance! The factory throttle body spacer isn't optimized in terms of good air flow. It has a big groove inside which causes uneven air flow between the throttle body and the intake manifold. Our do88 spacer has a smooth inside for better airflow and is made from a solid aluminum block using CNC machining. Key Features: Made of solid 6063 aluminum. Finished in a