Description
Performance Enhancement. The FAST LSXHR 103mm Intake Manifold is engineered to maximize power output for boosted and naturally aspirated LS3 engines. It provides an average 30 horsepower gain between 5,000 and 7,500 RPM, making it an essential upgrade for enthusiasts seeking improved engine performance and drivability.
Construction and Appearance. Made from lightweight, high-strength polymer, this intake manifold reduces heat soak often experienced with aluminum units. Its durable construction ensures long-lasting, reliable performance while maintaining a modern and functional look.
Installation. Installation requires no custom drilling, making it accessible to experienced enthusiasts and professionals. The reversible top design supports both forward- and firewall-facing throttle body configurations.
Warranty. Includes a 12-month warranty covering defects in materials and workmanship. Application. Specifically designed for the 2008 to 2014 6.2L Tahoe with no exclusions.
FAST 146106
CA Residents: WARNING: Cancer and Reproductive Harm
- LSX HR 103mm Intake Manifold for LS3 Rectangular Port Applications
- Industry’s First Polymer Tunnel Ram-Style Intake Manifold
- Ideal for Maximizing Power in Boosted and Naturally Aspirated Engines
- Standard “Tall” Stacks Interchangeable with Separately Purchased “Medium” and “Short” Stacks for Optimized Performance
- Lightweight, High-Strength Polymer Construction Reduces Power-Robbing Heat Soak Common in Aluminum Intake Manifolds
- Average 30 HP Gain Between 5,000 and 7,500 RPM Over Competitors’ High Ram Intake Manifolds
- Rated for Continuous Pressure up to 45 psi
- Compound Fuel Injector Angle Optimizes Spray Pattern for Ideal Atomization, Maximizing Power and Drivability
- Reversible Top Accommodates Forward- or Firewall-Facing Throttle Body Installations
- Two Nitrous Nozzle Bosses per Runner for Clean and Easy Direct Port System Installation
- 103mm Throttle Body Opening Ported to 105mm
- Designed to Fit 2008–2014 6.2L Tahoe
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