FiTech Ultimate LS3 Short Intake Manifold — Fits GM LS-Series Rectangle Port

Watch in action

Optimize Power with the FiTech Ultimate LS3 Short Intake Manifold

The FiTech Ultimate LS3 Short Intake Manifold is engineered to deliver superior airflow characteristics for high-performance GM LS-series engines equipped with rectangular port cylinder heads. This manifold is designed to provide a shorter, more direct path for air, which is critical for high-RPM power gains and improved throttle response in racing applications. Crafted from high-quality aluminum and finished in a durable black anodized coating, this manifold is as visually striking as it is functional.

Why Choose the FiTech LS3 Intake?

• Rectangle Port Design: Optimized specifically for LS3-style cylinder heads for maximum flow efficiency.
• Complete Kit: Includes high-quality fuel rails, simplifying your installation and fuel system plumbing.
• Short Runner Geometry: Designed to shift the power band higher, perfect for track-focused builds.
• Durable Finish: Black anodized aluminum provides excellent heat dissipation and a premium look.

This manifold is the ideal foundation for a high-output engine build, offering the structural integrity needed to handle increased boost or high-compression naturally aspirated setups. The inclusion of fuel rails ensures that your fuel delivery system is matched to the intake's high-flow capabilities, preventing bottlenecks in your fuel injection system. Whether you are building a custom street rod or a drag strip contender, the FiTech Ultimate LS3 manifold provides the reliability and performance edge you need. Find this and other premium performance parts at GGCRACING.