Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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RHS GM LS Cathedral Port Sheet Metal Intake Manifold with Fuel Rails (10-13 4.8L Silverado 1500; 99-13 5.3L Silverado 1500; 03-13 6.0L Silverado 1500)
Item S126965
Product Information
Features, Description, Q&A, Specs & Installation
Features
- Remarkable Increase in Horsepower and Torque
- Built from Lightweight Aluminum
- Features a Black-Anodized Finish
- Engineered for Optimal High-RPM Flow
- Requires Tuning for Operation
- Requires Aftermarket Fuel Rails
- Cold Air Intake Modifications May Be Required
- Does Not Have a CARB EO Number
- Fits All 2010-2013 4.8L Chevrolet Silverado 1500, 1999-2013 5.3L Chevrolet Silverado 1500, and 2003-2013 6.0L Chevrolet Silverado 1500 Models
Description
Increased Horsepower and Torque.Drive with impressive gains in power and torque with this RHS GM LS Cathedral Port Sheet Metal Intake Manifold with Fuel Rails on your vehicle. With its high-quality construction, this manifold is ideal for modifications that can handle up to 25 PSI of boost.
Delivers More Air for More Power.This Intake Manifold is specially engineered to deliver optimum flow at higher RPMs. This makes it ideal for peak engine power and offers a solid foundation for future power and performance modifications.
Designed for High-Pressure Induction. The design of this Intake Manifold matches the upgraded heads, supercharger, or cam’ed engine of your truck. With its high-performance pressure rating, this manifold delivers huge amounts of air and deliver consistent power.
Require Calibration. This Intake Manifold provides remarkable power with its superb intake design that is an improvement over the factory unit. As such, reprograming your truck’s ECU is needed for operation. This allows you to take advantage of the full potential that this Intake Manifold delivers.
Highly Durable Construction.The construction of this Intake Manifold guarantees long-lasting performance. It is made of premium-level aluminum with a black-anodized finish to ensure maximum corrosion protection.
Convenient, Bolt-on Installation.This Intake Manifold is engineered to bolt directly onto the heads of your Chevy truck. No custom machining or fabrication is required for its installation. Please note, however, that additional parts may be required to properly install it on your vehicle. For the best results, AmericanTrucks highly recommends professional installation.
Application.This RHS GM LS Cathedral Port Sheet Metal Intake Manifold with Fuel Rails is designed for use on all 2010 to 2013 4.8L Chevrolet Silverado 1500, 1999 to 2013 5.3L Chevrolet Silverado 1500, and 2003 to 2013 6.0L Chevrolet Silverado 1500 models.
Technical Note. When installing this Intake Manifold, some aftermarket Cold Air Intakes may require modifications to the coupler or inlet tube for a proper fit.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Intake Manifold
- (1) Fuel Rail Kit
- Installation Instructions
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Reviews of RHS Intake products have an average rating of 5.0 out of 5
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