Can you post the VIN and your location? My buddy sold this car a while back:
http://zilvia.net/f/cars-sale/375458...acktop-sr.html
If this is the case, you haven't owned the car for 6 years. The original builder sold the car in 2011 to sa3reghatch after it developed rod knock, who in turn sold posted it on this forum, houston240sx, and craigslist shortly after. Here's a pic since the original pics in the link above expired:
