PAC AP4-FD21 Integration Interface

It's what I needed this whole time

A friend told me about it and the price here was amazing compared to other places. I think it was almost 100 dollars off. Either way if you have a new car you need this for aftermarket amps. You can't function properly without it. Read full review

Verified purchase:  Yes • Condition: pre-owned • Sold by: shopmakonline