Love the upgrade, huge improvement from stock. Had issues with the install but had great help from the support team. A little disappointed that I’m on my 3rd set of bulbs in 4 years. Good news is they are covered under warranty. Hopefully this issue get solved as I still have to pay import fees to get them!

I had this kit just over 2 years when I started to experience a misfire on one side (delayed start) then it finally just quite. I emailed about my problem and got instant response on how to trouble shoot the problem. Once issue was figured out I received replacement parts for both sides FREE under warranty. Didnt even have to pay shipping. Thank you retrofitsource!!!! You have a customer for life.

I’m absolutely satisfied. Very bright, white and wide. Ordered 6500k with a 55 watt ballast for my 2014 GMC Sierra.

Very pleased with the customer service. Cesar helped me troubleshoot and it was something so minor. I hooked everything up in my 2014 gmc sierra as the video online and the lights didnt come on. So I called and got Cesar. He had me hook the oem plug directly to the relay and there was a flicker. He instantly knew the problem and he was right on the money. The pins in my oem stock plug had to separated a little bit and Bam Lights Worked!! Thank you for hitting the nail on the head in under 5 mins Cesar and thank you retrofit source for and amazing product. Now I can see waaaaay better at night with these lights than the stock halogen bulbs. Earned a customer in me. Thanks again!

A quick review of my TRS 2014+ GMC Sierra Morimoto HID installs.

The Kit: everything you need except fasteners and zip ties.

The Install: I installed two kits on 2 trucks in 2 days. Each install took approximately 1.5 hours (I was in no hurry).



Truck #1) 2014 Sierra 1500. It received a 2014+ Sierra Morimoto Elite kit, w/50W ballasts and 5500K bulbs.

The truck did NOT require the air intake tube to be removed (contrary to what I have read elsewhere). Also, the air filter does not need to be disassembled, but rather pulled straight up and out in 1-piece after disconnecting 2 connectors. I used 3M VHB tape to hold all of the kit components- no nuts/bolts/drilling required. The wiring harness supplied fit perfectly, and the fuse is easily accessible.



Truck #2) 2015 Sierra 2500HD Denali Duramax. It received a 2014+ Sierra Morimoto Elite kit, w/50W ballasts and 6500K bulbs.

Like the 1500, this truck's air inlet tube remained installed, and the air filter assembly pulls straight up the same way. This truck did require the second battery (driver's side) to be removed. I pulled power from the second battery, as it was more convenient. 3M VHB tape used here as well. The supplied harness again fit perfectly. The fuse is even more accessible on this install.

The results: I wanted to wait for the "new" to wear off before I wrote a review. It's been a few months.



The GOOD: The light output is AWESOME. The road is FILLED with light on low-beam (the cutoff is unchanged), on high-beam the road is lit up for 1,000 feet easily. THIS is what GM should have installed from the beginning. 5 stars.



The BAD: on the 1500, power is supplied to the relays in DRL-mode. This means the headlights are on any the time that the truck is in gear/or if it is dark, so bulb life may suffer (the Denali has LED's around the headlights for DRL- so this not an issue). The color/temp of the lights has "burned-in", but they don't match the OEM fogs exactly. Minor detail.



The UGLY: The 1500 was so dirty I didn't use any of the pictures. (truck had been on a dusty construction site with no under-hood cleaning before the install).



The VERDICT: Probably the most well-spent vehicle modification I have done. If you are thinking about upgrades in your 14+ GMC, THIS is the one you need to do first. Thanks to the folks at The Retrofit Source for putting together an excellent, reasonably priced kit to address a serious shortcoming on these trucks.

Awesome kit! Huge improvement over stock bulbs. Install was easy and TRS tech support was great. The stock projectors give a less than desirable pattern but still very good. I got the 55W kit and it was suggested that I go with the 6000K bulb. The color does not match the factory DRLS very well slightly bluer. I think I will get the 5000K bulbs.

The previous comment was correct, the 55W 4300k is the way to go if you want a brighter than stock but still factory look. This kit installed in my 2015 Denali with little modification in about an hour and a half. Looks amazing on the road at night!

I recently just bought these for my 2015 GMC Sierra Denali and they're amazing. The factory headlights that came with my truck were the worst headlights I have ever had in a truck, and I was afraid to drive at night. I installed these lights and it was a night and day difference. The light is crisp and clean and I can actually see my surroundings and the road ahead of me now. I would recommend these lights to anyone, no complaints, 5 STARS!

This kit is awesome. It was super easy to install. I followed a youtube video on how to install and where to put everything. There is a little bit of glare with the 35W kit, so I am actually glad I didn't go with the 50W in the stock projectors. Since about 90% of my driving is around tons of oncoming traffic, I needed to balance that out, and reduce the risk of blinding anyone. 35W is ample lighting. I can now see perfectly with low/high beams. It's a huge improvement in the rain as well. I also chose the 4500K bulb because the warm color is way better for snowy conditions. You don't want pure white light on a snowy road. Seriously, get this kit!

The 2015 gmc stock headlights were dangerous with very poor visibility. I first wasted money on putco led retrofit kit as stated complete waste of my money. Very poor light distribution struggled to see at night. Researched hid's and TRS systems were by far the best quality. The dual relay harness speaks for itself and the customer service was incredible they answered all of my questions and concerns by email. I purchased the 4500 35w ballast and am extremely happy very bright and can see at night now!!! Improved side light distribution a little as well. Very simple install thank you TRS!