FAST 146301 Engine Intake Manifold Lsxr Cathedral Port 036584219767 102MM Replacem

( Brand: Fast ), ( Part Type: Intake Engine Manifold ), ( Manufacturer Warranty: 1 Year ), ( Manufacturer Part Number: 146301 ), ( Intake Port Style: Cathedral ), ( Title: Lsxr 102mm Cathedral Port Intake Manifold Replacement Lower Shell ), ( C.a.r.b. Exempt : Yes ), ( C.a.r.b. Eo Number: D-279-10 ), ( Country Of Origin: United States ), ( UPC: 036584219767 )

Review FAST Engine Intake Manifold Lsxr 102mm Cathedral Port Replacem

The 146301 engine intake manifold for LSXR engines is a crucial component of your engine's fuel delivery system. This intake manifold, featuring a cathedral port design, is specifically engineered to optimize airflow and fuel distribution for high-performance applications.

The 102mm size of this intake manifold provides larger bore size than stock, resulting in increased airflow and improved engine breathing. This cathedral port design also allows for a more even fuel distribution between cylinders, leading to improved combustion efficiency and enhanced power output.

This intake manifold is made from high-quality aluminum, ensuring durability and reliability even under the most demanding driving conditions. Its robust design includes a gasket surface that is precision-machined to ensure a perfect seal and optimal engine performance.

Installation of this intake manifold is relatively straightforward, making it a popular choice for DIY enthusiasts and professional mechanics alike. It is compatible with LSXR engines, making it a versatile option for those seeking to upgrade their engine's airflow and fuel distribution.

In summary, the 146301 engine intake manifold for LSXR engines is an essential upgrade for high-performance applications. Its cathedral port design and larger 102mm bore size improve airflow and fuel distribution, while its robust aluminum construction ensures durability and reliability. Installation is straightforward, making it a popular choice for both DIY enthusiasts and professional mechanics.

Pros and Cons of Buying a 146301 Engine Intake Manifold for LSXR 102mm Cathedral Port Replacement

The 146301 engine intake manifold is a popular aftermarket replacement option for the LSXR 102mm cathedral port engine. This part is known for its enhanced performance capabilities. In this article, we will discuss the pros and cons of buying this intake manifold to help you make an informed decision.

1. Improved Airflow: The 146301 engine intake manifold provides better airflow to the engine, which results in increased horsepower and torque. This is due to its larger runner design and improved port geometry.

2. Enhanced Engine Response: With the improved airflow, the engine responds better to throttle inputs, resulting in a more responsive driving experience.

3. Durability: The 146301 engine intake manifold is made from high-quality materials, ensuring better durability and longevity compared to the stock intake manifold.

4. Easy Installation: The intake manifold is relatively easy to install, with most users reporting that the process takes around 2-3 hours.

5. Improved Fuel Economy: Some users have reported improved fuel economy with the 146301 engine intake manifold due to more efficient combustion.

1. Cost: The 146301 engine intake manifold is a premium aftermarket part and can be quite expensive compared to the stock intake manifold.

2. Complex Installation: While the installation process is relatively straightforward, some users have reported that it can be more complex than anticipated, especially for those with limited mechanical experience.

3. Potential for Leaks: The intake manifold has several gaskets and seals that can potentially leak, requiring regular maintenance and sealing.

4. Requires Additional Modifications: To fully realize the performance benefits of the 146301 engine intake manifold, additional modifications may be required, such as upgraded fuel injectors and a tuned engine management system.

The 146301 engine intake manifold is a high-performance aftermarket part that offers significant improvements in airflow, engine response, and durability compared to the stock intake manifold. However, it comes with a premium price tag and requires additional modifications for optimal performance. If you are looking to maximize the potential of your LSXR engine and have the necessary resources, the 146301 engine intake manifold is a worthwhile investment. For those on a budget or with limited mechanical experience, the stock intake manifold may be a more practical choice.

If you are an experienced enthusiast with a significant budget and a well-equipped garage, the 146301 engine intake manifold is an excellent choice for maximizing the performance potential of your LSXR engine. For those with limited resources or mechanical experience, it may be best to stick with the stock intake manifold or consider alternative performance upgrades within your budget.

Details:

FAST Engine Intake Manifold - LSXr 102mm Cathedral Port Replacem. Having trouble deciding on whether to get a folding or roll-up tonne cover. Year after year, FAST engineers have released innovative products, driving the growth of aftermarket EFI marketplace. In 2001, FAST became a member of the COMP Performance Group.

Need advice on which exhaust system to purchase

part #: 146301 prices

• $501.66-$1536.84

specifications inputmanifolds:

• brand: Fast
• part type: Intake Engine Manifold
• manufacturer warranty: 1 Year
• manufacturer part number: 146301
• intake port style: Cathedral
• title: Lsxr 102mm Cathedral Port Intake Manifold Replacement Lower Shell
• c.a.r.b. exempt : Yes
• c.a.r.b. eo number: D-279-10
• country of origin: United States
• upc: 036584219767

seller inputmanifolds:

• # reviews: 2905
• city: Arlington, Texas
• rating: 94.5%

returns inputmanifolds:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

payments inputmanifolds:

• other
• wallet: Apple-pay
• credit card: Discover

offer inputmanifolds:

• sold: 0
• started: September 7, 2025
• availability: In Stock
• quantity: 2
• options: Ship-to-home

general inputmanifolds:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds

shipping inputmanifolds:

• transit: 4-8 Days
• carrier: FedEx, UPS
• service: FedEx Ground / FedEx Home Delivery, UPS Ground
• type: Fixed
• class: Standard
• cost: $0.00

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