Theses bars should have a huge impact on performance as it'll stiffen up the car like crazy.
http://www.racingbeat.com/images/items/350x280/77101.jpg
http://www.racingbeat.com/Mazda-2/Sway-Bars/77101.html
Also have the front sway and a K&N Air Filter as well.
http://www.racingbeat.com/images/items/350x280/77101.jpg
http://www.racingbeat.com/Mazda-2/Sway-Bars/77101.html
Also have the front sway and a K&N Air Filter as well.