Stillen 2019 - 2023 GMC Sierra 1500 TRUPOWER Cold Air Intake Scoop - TP403503

TP403503

 Year

2019, 2020, 2021, 2022, 2023

Make

GMC Sierra

Model

1500

Features and benefits:

• Made in USA
• Limited lifetime warranty
• Direct cold air flow
• Reduced intake air temperatures
• Compatible with any air intake or supercharger that uses factory air intake scoop
• Textured finish for OEM fit and finish
• Very easy installation
• Not compatible with Chevy Silverado

The factory Air intake system on the GMC Sierra 1500 is a very unique and creative design. During testing our engineers placed multiple temperature probes throughout the engine bay and access panels of the Sierra engine bay in order to find the coldest possible air source. Turns out, GMC engineers did a pretty good job of finding a great source of fresh air. Knowing that repositioning the air intake would not be beneficial our team of designers began looking at ways to improve the airflow and find additional benefits.

Pretty quickly our team noticed that the path of the airflow was good, but quite disruptive. The air had to travel through the grille, up the radiator, through the lattice work of the shroud then around the radiator shroud and finally into the intake scoop.

This presented two problems.

1) There is no natural path for the air to flow through.

Every one of these turbulent areas, every interference causes restriction and/or causes work for the air. The goal is to get the air into and through the air intake system as cleanly and efficiently as possible.

2) The air is susceptible to being heated by the radiator.

The air must travel up the face of the radiator in order to make its way into the air intake opening. Keep in mind, the radiators operational temperature is 180-220 degrees. Significantly higher than ambient.

To solve the two problems with this otherwise fantastic design the design team at STILLEN began by creating a proper scoop. This scoop lowers the base of the radiator shroud to be in line with the top bar of the famous GMC grille. This new design allows for the air to come directly into the intake system without being warmed by the radiator, or disrupted by the lattice type material in the radiator shroud. This design eliminates the pre-heating and the turbulence caused by the factory system.

During our development our team noticed that the factory ¾ and 1 ton trucks actually have scoops in their radiator shroud designs also which confirmed that the True Power by STILLEN cold air intake scoop for the GMC Sierra 1500 was on the right track!

An additional benefit to this air intake is that it will work with any aftermarket air intake system that utilizes the factory air intake scoop.

This part is a replacement for the GM OE part number: 84535854

This item is not sold or endorsed by General Motors or any of its subsidiaries.