2017-2026 6.6L L5P Duramax Exhausts

L5P Duramax exhaust systems are designed to improve airflow, boost horsepower, and enhance the sound and performance of 2017+ Chevy and GMC 6.6L diesel trucks. Perfect for towing, performance upgrades, and daily driving, these durable exhausts reduce backpressure, increase efficiency, and deliver long-lasting reliability—essential for diesel owners seeking maximum power and a custom diesel experience