Integrated Engineering Turbo Inlet Pipe | B9 S4 · S5 E53 X5 44i 4.4L V8 [M62] A great deal of sportiness

A great deal of sportiness is added to the tune while maintaining factory smoothness and driveability

This increases its surface hardness and wear properties drastically

This is firstly achieved through elimination of the most critical restriction in the entire intake system

This can lead to early piston ring failure

Integrated Engineering Turbo Inlet Pipe | B9 S4 · S5 E53 X5 44i 4.4L V8 [M62] A great deal of sportinessUpgrading our Audi 3. 0L turbocharged engine with aftermarket upgrades such as ECU tunes and larger turbos adds fast and easy power, but demands more airflow in return. The factory airbox and turbo inlet are adequate enough for stock power output, but become a large restriction on engines with aftermarket upgrades that can restrict horsepower. Pairing an IE Cast Turbo Inlet Pipe to your IE Cold Air Intake completely removes the factory flow