* 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?