iE TrueFlex Sensor Kit For Audi B9 S4, S5, RS5, RS4, & SQ5 Pulley Upgrades or SQ5 from quick to

or SQ5 from quick to ridiculously fast

The intake installation process is straightforward

5mm wall thickness

EFFORTLESS E85

2006 - 2009

iE TrueFlex Sensor Kit For Audi B9 S4, S5, RS5, RS4, & SQ5 Pulley Upgrades or SQ5 from quick toLEADING FEATURES Plug & play kit for iE B9 3. 0T & 2. 9TT TrueFlex Tunes Includes everything needed to install Reliable real time ethanol content readings Run premium 91 93 up to E85 on one tune EFFORTLESS ETHANOL Ethanol is rocket fuel for your B9 S4, S5, RS5, RS4, or SQ5. Our iE TrueFlex Sensor Kit is the required hardware upgrade to convert your 3. 0T or 2. 9TT engine to flex fuel. The sensor hardware allows your factory engine computer to read and