Pulsar LT 2020-2023 Chevrolet Silverado/GMC Sierra 2500/3500 6.6L Duramax Edge Products2020 2023 Chevrolet Silverado GMC Sierra 2500 3500 6. 6L Duramax. Upgrade your late model GM truck with the Pulsar LT Inline Module, the all in one performance solution for Chevy Silverado, GMC Sierra, Colorado, and Canyon models. Designed for maximum convenience, the Pulsar LT features a true plug and play installation with no cutting, splicing, or permanent modifications plus it's warranty friendly and leaves no trace when removed. Take control of