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Welcome to Unauthorized Performance.

Unauthorized Performance is proudly an exclusive vendor in Southwestern Ontario supplying all your vehicle needs. Whether it is a power increase, new rims and wheels, appearance change or simply replacing damaged parts, UP has what you need. We carry various products of top brands at the most reasonable prices.

 We are truly grateful for the opportunity of being in a business we enjoy, and matching the parts and service to our customers needs. We hope everyone who visits our shop will have a positive and satisfying experience.

Black & White Cars Side By Side

The Unauthorized Difference

We're with you every step of the way.

We have built a reputation of unparalleled customer service, honesty and fairness that is the backbone of our continuing success.

Avant Garde
Kumho Tire

Let's find your dream package.

Let's do it