APR Power Upgrade Kit w/ Intake & ECU Upgrade For 2018-2024 Audi S4/S5 3.0T B9 2018-2022 Harley Davidson Softail Fat Bob ensuring safe and legal use

ensuring safe and legal use on the road

fewer headaches

Made in the USA for superior quality and reliability

Stainless-steel clamps are included for strength

The Mishimoto Duramax intercooler piping kit is the first key component

APR Power Upgrade Kit w/ Intake & ECU Upgrade For 2018-2024 Audi S4/S5 3.0T B9 2018-2022 Harley Davidson Softail Fat Bob ensuring safe and legal useAPR is the global leader in performance tuning for Volkswagen Group vehicles, and the APR Power Upgrade Kit for the 20182024 Audi S4 S5 3. 0T B9 is engineered to unlock the full potential of the EA839 twin turbo V6. This complete package combines APRs ECU upgrade, Ultralink tuning interface, and high performance intake system with turbo inlet into one seamless solution, delivering increased airflow, reduced turbo restriction, and real dyno proven