Rudy's 3.5" Black Turbo Intake Horn Kit For Silverado/Sierra 2500HD/3500HD 6.6L L5P Duramax Diesel 2019-2021 silverado 1500 9L Cummins when you install

9L Cummins when you install the XDP Performance Valve Springs & Retainer Kit XD389

Quick disconnect upper stud frame brackets (# 600277) - pair

5” diameter mandrel-bent tube for maximum airflow efficiency

and a premium silicone coupling allows for ample flexibility and durability

Oil Level Sight Glass:

Rudy's 3.5" Black Turbo Intake Horn Kit For Silverado/Sierra 2500HD/3500HD 6.6L L5P Duramax Diesel 2019-2021 silverado 1500 9L Cummins when you installRudy's all new 3. 5" Turbo Intake Horn was meticulously designed for the 2020 2024 L5P Duramax. In stark contrast to the OEM's smaller, fragile plastic intake horn, our robust 3. 5" horn offers a substantial upgrade. The best part? No need for any tuning it's a direct replacement right out of the box. Step up your truck's performance with Rudy's 3. 5" Turbo Intake Horn and relish a remarkable transformation in power, torque, and overall engine