For anyone who needs an appraisal done on their car or a car they plan to buy I highly recommend Thornhill Auto Consultants, the guy is Malcolm Zack, super professional guy that provideds great service, I was impressed. The appraisal cost me $140+gst and I got it emailed to me the next day.
His contact info is t-a-c@autoappraiser.ca and web site www.autoappraiser.ca
If your car is modded or in above average condition I suggest getting it done for insurance reasons, in case your car is stolen or written off etc an appraisal may help you in the event of a claim.