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FAST Intake Manifold LSXHR LS1/2/6 (Cathedral Port)

Unlock the full potential of your GM LS cathedral port engine with the FAST LSXHR 103mm Intake Manifold. Designed for maximum power in boosted and naturally aspirated applications, this intake manifold is a game-changer for racers and enthusiasts alike.

Featuring a lightweight and strong polymer construction, this intake manifold eliminates power-robbing heat soak and is optimized for power gains from 5,000 to 7,500 RPM. With testing showing 20+ horsepower gains over competitor tunnel ram intake manifolds, you can trust that this manifold will deliver.

  • Ideal for boosted and naturally aspirated GM LS cathedral port engines
  • Lightweight and strong polymer construction
  • Optimized for power gains from 5,000 to 7,500 RPM
  • 20+ horsepower gains over competitor tunnel ram intake manifolds
  • Rated for up to 45psi of continuous boost pressure
  • Compound fuel injector angle for ideal atomization and maximum power production
  • Reversible top for forward- or firewall-facing throttle body installations
  • Two nitrous nozzle bosses per runner for clean and easy direct port system installations

This product has not yet been assigned to any vehicle. We are working to ensure that this changes as soon as possible. Please contact us if you have any questions.

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