This used Audi TT 8N MK1 1.8T 225 Airbox Intake Duct Pipe (part number 8N0129604A) is designed for air and fuel delivery in vehicles. Specifically for the Audi TT model, this pipe is a crucial component for the intake system, ensuring the engine receives the necessary airflow for optimal performance. As a genuine Audi part, it guarantees a precise fit and reliable operation in the vehicle's airbox system. Ideal for maintenance or replacement purposes, this pipe is essential for maintaining the efficiency and functionality of the Audi TT's engine.