GM LS Gen III Cathedral Port Carbon Fiber Hi-Rise Intake Manifold

Upgrade your LS-powered build with the Top Street Performance GM LS Gen III Cathedral Port Carbon Fiber Hi-Rise Intake Manifold. Engineered for LS1, LS6, 4.8L, 5.3L, 5.7L, and 6.0L cathedral-port engines, this LS carbon fiber intake manifold delivers exceptional airflow, lightweight construction, and high-RPM performance for serious street, drag racing, track, and LS swap applications.

Constructed from premium carbon fiber with precision-machined aluminum flanges, this LS cathedral port intake manifold helps reduce weight while improving heat management compared to traditional cast aluminum intake manifolds. The hi-rise runner design is engineered to maximize airflow and support increased horsepower potential, making it an excellent choice for naturally aspirated, nitrous, supercharged, and turbocharged LS combinations.

Designed for performance applications operating from 1,500 to 9,000 RPM, this LS hi-rise intake manifold provides the airflow capacity required for aggressive camshaft combinations and high-horsepower engine builds. The removable top design allows easy access for tuning, maintenance, and future upgrades, while the included fuel rails help simplify installation.

Whether you're upgrading an LS1 intake manifold, building a turbocharged 5.3 LS, maximizing airflow on a 6.0 LS project, or assembling a dedicated race engine, this carbon fiber LS intake manifold delivers the airflow, weight savings, and performance potential needed for serious LS enthusiasts.

Carbon Fiber Intake Manifold Technology
The Top Street Performance LS Gen III Cathedral Port Hi-Rise Intake Manifold is engineered for maximum airflow, reduced weight, and premium engine bay appearance. Constructed from lightweight carbon fiber with precision-machined aluminum flanges, this intake manifold helps reduce weight while improving heat management for demanding performance applications. The removable top design provides convenient access for tuning, maintenance, and upgrades.

High-RPM Performance Benefits
The hi-rise runner design is engineered to increase airflow efficiency and support higher horsepower levels than traditional intake configurations. Designed for a broad 1,500-9,000 RPM operating range, this LS hi-rise intake manifold is ideal for performance enthusiasts looking to maximize airflow, improve throttle response, and support aggressive engine combinations.

COMPATIBLE WITH
GM Gen III Cathedral Port LS Engines
• 4.8 L / 293 in3
• 5.3 L / 325 in3
• 5.7 L / 346 in3
• 6.0 L / 364 in3

COMMON VEHICLE APPLICATIONS
• Chevrolet Camaro LS swaps
• Chevrolet Corvette LS1 & LS6 applications
• Chevrolet Silverado LS builds
• Chevrolet C10 LS conversions
• Chevrolet Chevelle LS swaps
• Pontiac GTO LS projects
• Custom race cars and restomods

NOTES
• Fits GM Gen III cathedral-port LS cylinder heads
• Designed for EFI applications only
• Features a 102.2mm throttle body opening
• Includes black aluminum fuel rails with 10 ORB fittings
• Uses LS1-style fuel injector provisions
• Includes Gen IV 3-bar MAP sensor provision
• Removable top design simplifies tuning and maintenance
• Includes mounting hardware and gaskets
• Verify throttle body, fuel system, injector, and hood clearance before installation

SPECIFICATIONS:
Basic Operating RPM Range: 1,500-9,000 RPM
Color: Black
Deck Height: Standard
Fuel Injection Style: Multi-port Fuel Injection
Fuel Injector Stye Provision: 2.55 in. LS1 style
Fuel Rail Color: Black
Fuel Rail Finish: Black
Fuel Rail Fitting Thread Diameter: 10 ORB
Fuel Rail Material: Aluminum
Fuel Rails Included: Yes
Fuel System Type: Electronic Fuel Injection
Gasket Or Seal Included: Yes
Grade Type: Performance
Intake Port Shape: Cathedral
Manifold Absolute Pressure Sensor Port Included: Yes
Manifold Absolute Pressure Sensor Port Style: Gen IV 3-bar
Manifold Finish: Natural
Material: Carbon Fiber
Mounting Hardware Included: Yes
Mounting Hole Quantity: 10
Removable Runners: Yes
Removable Throttle Body Flange: No
Removable Top: Yes
Supplemental Boss Quantity: 2
Throttle Body Bore Size: 102.200 mm