LS Intake Manifold with Throttle Body Review – Performance Upgrade for Cathedral Port LS Engines
The LS Intake Manifold with Throttle Body is designed for LS1, LS2, and LS6 engines equipped with cathedral-port cylinder heads. Constructed from aluminum and paired with a large 102mm throttle body, this intake setup is intended to support improved airflow and provide a practical upgrade for Chevy, Cadillac, and Pontiac LS-powered builds.
Key Specifications
Brand: Compatible Replacement
Product Type: LS Intake Manifold with Throttle Body
Compatibility: LS1, LS2, LS6
Cylinder Head Type: Cathedral Port
Throttle Body Size: 102mm
Material: Aluminum
Application: Chevy, Cadillac, and Pontiac LS engines
Main Features
Cathedral Port Compatibility
The manifold is designed specifically for LS1, LS2, and LS6 applications using cathedral-port cylinder heads. This makes it suitable for various performance-oriented LS engine builds when the vehicle and supporting components are properly matched.
102mm Throttle Body
A 102mm throttle body provides a large airflow opening for applications where increased intake capacity is desired. It can be particularly useful on modified engines that require greater airflow than a standard setup.
Aluminum Construction
The aluminum construction offers a balance of strength and durability while making the manifold suitable for demanding engine-bay environments. It is built for enthusiasts looking to upgrade their LS intake system.
Performance-Oriented Design
The intake manifold and large throttle body are intended to support efficient airflow into the engine. When combined with appropriate cylinder heads, camshaft, exhaust, tuning, and other supporting modifications, the setup can complement a performance-focused build.
Performance
Performs exceptionally well for:
LS engine performance builds
LS1, LS2, and LS6 projects
Custom Chevy, Cadillac, and Pontiac applications
High-airflow intake upgrades
Pros
Designed for cathedral-port LS heads
Compatible with LS1, LS2, and LS6 applications
Large 102mm throttle body
Durable aluminum construction
Suitable for performance-oriented engine projects
Cons
Vehicle and engine configuration should be verified before purchase
May require supporting modifications or tuning for optimal performance
Who Should Buy This?
Ideal for:
LS engine enthusiasts building performance applications
DIY mechanics performing LS intake upgrades
Chevy, Cadillac, and Pontiac owners with compatible cathedral-port engines
Final Verdict
The LS Intake Manifold with 102mm Throttle Body is a practical option for LS1, LS2, and LS6 cathedral-port engine builds where increased intake airflow is a priority. Its aluminum construction and large throttle body make it well suited to performance projects, although buyers should verify cylinder-head, engine, throttle-body, sensor, and vehicle compatibility before installation.
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