PWM Module: GTR Ultra 2.0 (Pair / 9007) Chevrolet The Model 6130 Evolution offers

The Model 6130 Evolution offers a headlight upgrade for 4

Whereas most bulbs lose lumens when their Kelvin rises

the Model 8630 Evolution offers an upgraded replacement solution for 5

Turn heads with the sleek switchback sequential LED turn signals

these have a quick warm up time

PWM Module: GTR Ultra 2.0 (Pair / 9007) Chevrolet The Model 6130 Evolution offersPulse Width Modulation: Is frequently found in the electrical systems that run the headlight circuit in many modern vehicles, and when it comes to HID or LED upgrades, that's a problem since it results in constant flickering on the new setup Do you need these? Not sure whether or not you'll need these when doing an upgrade on your vehicle? Check out the rule of thumb guide in the tech specs below for some information to help you make the best