Buyers Guide:

More than the world's largest supplier of high-end automotive lighting upgrades

Are you searching for an easy and cost-effective way to upgrade headlight bulbs on your car, truck, motorcycle, or off-road vehicle? We're a group of enthusiasts with a passion for perfecting your night-time driving experience. Our goal is to supply you with the best performing headlight upgrades that have been tailored to fit your application, at a price that works within budget. These are HID headlight upgrades for those who are serious about the looks and performance of their vehicle.

If you're driving something truly special, other enthusiasts will notice you during the day - but don't make the mistake of cruising by unnoticed at night. We carry a variety of individual aftermarket and OEM automobile lighting products, and we offer the ability to put together custom headlight upgrade kits to your specific requirements. From HID headlight upgrades to the latest LED bulbs and accessories, TRS will set you up with everything you need to improve vision on the road and provide a personalized style that stands out from the crowd.

More About TRS

New Developments:

New Blog post: 5/10/2017

Headlights are one of the most important features on any motor vehicle. While the average driver is likelier to think of the engine, wheels and passenger compartment on the shortlist of automotive essentials, headlights are close behind in terms of usefulness. Even though you don’t need headlights to actually run a car, you must have...

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Word on the Street:

“I have enjoyed doing business with The Retrofit Source. I took months before making my decision, writing a long string of e-mails to decide exactly what I wanted. Matt was extremely helpful in answering all of my questions and sending me instructions on how to install the different types of projectors in my headlights. This made it a lot easier for me to decide what I was getting into before buying. While I didn't have a completely smooth transaction, I did get to experience their wonderful customer service first hand. I received quick responses and everything was taken care of right away without any questions and NO out of pocket expenses...”

– Chad Kawasaki

“I've been doing retrofits and headlight modding since 2000, when HIDs were completely out of my reach. In the last 6 or 7 years, I've shopped all around trying to find a truly great source of lighting for my projects, and those of my friends and family. I will never go anywhere else. Since I found TRS about a year ago, I have been more than satisfied. They have a multi-faceted recommendation from me: 1- Great quality products. They have outperformed all the other "kits," bulbs, ballasts, and projectors in brightness, color accuracy, and fit compared to ANY aftermarket, and even my OEM equipment. 2- Awesome customer service. I made a mistake on my first order, but they still too...”

– Brad