The Audio Control LC7i is a LOC only. The DSR1 is that and a DSP. Depending on what your budget is, I would do the DSR1 as the DSP option will make things sound so much better.
Depending on your skills with soldering and cutting, plug and play would be a better option. Are you just...
I came from a 12 GT to a 17 GT350. I bought it a year ago with 1300 miles on it. I do drive it at least once a week and autocross it once a month.
1. Yes I did
2. I started autocross this year with it.
3. I plan on keeping this one.
4. I am not paranoid, but do keep an eye on it. No...
This is my first year doing autocross in my GT350. I currently run a short course. I was addicted instantly and became a member. I have learned a lot about limits that I have versus what the car is capable of.