Here's a link to a How-To/DIY guide showing how to install a Sprint Booster V3 on the 2nd Generation CX-9. This guide may be applicable to similar products, such as the Pedal Commander, but the actual operation of each product will be different.
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2016~2020 - 2nd Generation CX-9: Sprint Booster V3 install guide
This is a DIY installation guide for the Sprint Booster on the 2016+ CX-9 (P/N SBMA1033S). I decided to document this process to complement the instructions that come with the Sprint Booster because I encountered a couple of things that the included instructions do not mention. This process was...