1. On average, how much time do you spend on tuning your car(s) per month?

2. On average, how much money do you spend on car tuning per year?

3. Do you work on your car at your own home or in a shop?

4. do you participate in any motor racing event (ie. autocross, high performance driving events)?

5. How do you mainly share your experience and interact with other car enthusiast online?

6. Do you keep track of modification done on your car(s)? If so, how?

* 7. Where are you located?

8. How old are you?