Madness Power Pack Pro Stage 1 Kit for sale - never installed or used.
I'm parting with the Alfa and didn't get around to installing with this new dad job and all :)

Original invoice photo included - purchased January 2022, has been sitting on the shelf since.

Retail $849 - call it open box special $550 OBO? Small box, shipping should be under $10 will get package insured etc.
Price lowered - $400 Free Shipping to lower 48.
https://madnessautoworks.com/alfa-romeo-stelvio-20l-madness-power-pack-pro-stage-1-11156

Thanks for checking it out.
-Josh