none in Canada

Performance Improvements is now CLOSED. While Performance Improvements is no more, there are still many local Speed Shops who deserve your support. P.I. and the McJannett family have done business with these independent, family ... Read more

Meet the Manager: Lonnie Leigh Lonnie has been with Performance Improvements for over 30 years and in Oshawa since 1989. Lonnie has been a “car guy” since he was probably 2 or 3 years ... Read more

Meet the Manager: Lonnie Leigh Lonnie has been with Performance Improvements for over 30 years and in Oshawa since 1989. Lonnie has been a “car guy” since he was probably 2 or 3 years old ... Read more