Wehrli 100303 4in Cold Air Intake Kit with Air Box and Intake Horn | 2007.5-2010 Silverado/Sierra 2500HD/3500HD 6.6L LMM

All-New Design Optimizes Airflow

It's no secret that Duramax diesel engines love to breathe tons of clean, cool air. If you're looking for a way to boost your GM 2500HD/3500HD truck's performance, Wehrli offers the perfect solution with their 4-Inch Cold Air Intake Kit with an air box and intake horn. This high-flow, fabricated aluminum intake pipe and air box enclosure replaces your restrictive, plastic factory parts. Wehrli engineers have thoughtfully created this innovative design that significantly increases air flow to your turbo producing improved horsepower and torque, quicker throttle response, and cooler intake temperatures by drawing cold air through the inner fender. This design not only improves engine performance but also enhances turbo response, helping your diesel engine spool up faster and deliver more power throughout the rev range. Additionally, the system produces a more aggressive, throaty sound during acceleration, adding to the overall driving experience.

Simple Installation with High-Quality Hardware

Wehrli designed this cold air intake with durability and ease of installation in mind. This kit comes complete with high-quality hardware, including silicone boots, precision seals, and stainless steel T-bolt clamps, all of which ensure a secure, leak-free fit. These components guarantee long-lasting durability and provide a secure connection that stands up to high temperatures and engine vibrations, guarenteeing long-lasting reliability and performance. With this intake system, you’ll enjoy a straightforward installation process while gaining immediate improvements in your Duramax's performance and sound. The full assembly is finished in your choice of WCFab's signature custom powder coat colors, allowing you to match the intake to your truck's unique style. Overall, this intake system is the perfect upgrade for anyone looking to enhance their diesel engine. It offers a perfect balance of performance, durability, and ease of installation, making it an excellent choice for both daily drivers and performance enthusiasts alike.

• Supercedes WCF100638
• Replaces the following GM Part Numbers: 15819728, 25881207, 20917396, 25839609, 15855986, 25815549, 98011738