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.

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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:

“TRS is a great site for retrofit parts and for retrofit help! I was a first time buyer and first time retrofitter, and I found TRS to be the best. I've ordered projectors, shrouds, accessories, etc. Their shipping is quick as lightning. Whenever I have questions about a part's fitment or quality, I email them and they get back to me within 1-2 days. Also I take advantage of their coupon codes advertised on their home page, I advise you guys to do the same - constant savings, and quick shipping! I will be definitely buying from them again when doing future retros for my customers.”

– Allan Deleon

“hey whassup guys....first of i would like to say that when it comes to HID projectors, HID ballasts, HID bulbs or HID equipment...the people at THE RETROFIT SOURCE ...are the people to put all of your TRUST in !!! To add to that, their customer service comes second to none !!! Not only do they carry great products but their knowledge about taking these KITS and retrofitting them to our cars are impressive. I would go as far to say that i think that they are the leading ONLINE COMPANY when it comes to helping enthusiasts like ourselves. Recently i purchased the much hyped up ZKW-R lenses for my 2004 Maxima. I got to admit that i'm the type of person that has to experience something to beli...”

– Roger Ramroop