Performance Air Intake for Chevy Impala (2006-2009) 5.3L V8

Optimize Airflow for the LS4 V8: High-Performance Intake for 2006-2009 Chevy Impala SS

Who It’s For: Designed specifically for 2006–2009 Chevrolet Impala SS owners running the high-output LS4 engine family.

The Problem: The LS4 V8 is a unique beast—a transverse-mounted small block packed into a tight front-wheel-drive engine bay. The factory airbox is notoriously restrictive, using corrugated plastic tubing that creates massive turbulence and robs the engine of its natural induction sound. This stock setup forces the engine to work harder to pull air, leading to sluggish throttle response in the mid-range.

The Solution: This Short Ram Air Intake corrects the factory design flaws of the LS4 by providing a direct, high-velocity path for oxygen. By utilizing mandrel-bent aluminum rather than heat-soaking plastic, we ensure the air reaching your throttle body is smoother and more consistent, allowing for the immediate power gains this V8 is actually capable of delivering.

Why This is the Ultimate Upgrade

• Sharper Throttle Response: By removing the restrictive factory baffles, we allow the engine to breathe instantly, eliminating the "laggy" feeling when you step on the gas.
• Mandrel-Bent Aluminum Construction: Unlike cheap plastic intakes that can crack over time, our aluminum tubing maintains its shape and provides a permanent performance solution that looks professional under the hood.
• True V8 Soundtrack: This kit allows the LS4 to finally sound like a small-block Chevy. You’ll notice a deep, aggressive induction growl under heavy acceleration that the factory silencer box was designed to hide.

Technical Specifications

Compatibility & OEM Reference

Fits the Following Vehicles:

• 2006 Chevrolet Impala SS 5.3L V8
• 2007 Chevrolet Impala SS 5.3L V8
• 2008 Chevrolet Impala SS 5.3L V8
• 2009 Chevrolet Impala SS 5.3L V8

Interchange Part Numbers:

5.3L-IMP-0609-SS, PERFORMANCE-INTAKE-LS4

The Performance Promise

Buy with confidence. We know the LS4 platform inside and out. This kit is designed to provide a perfect fit without the need for custom tuning or permanent modifications. Backed by real automotive experts and fast shipping to get you back on the road with the power you deserve.