TOP STREET PERFORMANCE 81406 Cathedral Port Billet Rise Gm 843806123487 Intake Manifold For Ls

( Brand: Top Street Performance ), ( Part Type: Intake Aluminum Manifold ), ( Manufacturer Part Number: 81406 ), ( UPC: 843806123487 )

Review TOP STREET PERFORMANCE Cathedral Port Series Billet Aluminum Low rise Intake Manifold Gm Ls

The Top Street Performance 81406 Cathedral Port Billet Low-Rise Intake Manifold is a high-performance aftermarket component designed specifically for General Motors LS engines. This intake manifold stands out with its billet aluminum construction, ensuring a strong and durable design that can withstand the rigors of high-performance applications.

The cathedral-style design of this intake manifold is characterized by its large, ported runners that provide enhanced airflow and improved throttle response. The low-rise configuration allows for a shorter runner length, reducing the distance the fuel-air mixture has to travel between the intake and cylinders, resulting in quicker response times and increased power output.

One of the key features of this intake manifold is its CNC-machined ports, which provide a precise and uniform surface finish to ensure optimal fuel atomization and efficient combustion. The manifold also comes with 3/8-inch NPT ports for the use of external fuel pressure regulators, offering greater adjustability and fine-tuning capabilities for enthusiasts seeking optimal engine performance.

Additionally, the Top Street Performance 81406 Cathedral Port Billet Low-Rise Intake Manifold includes a gasket and hardware kit, making the installation process smoother and more convenient for users. This intake manifold is a suitable upgrade for those looking to enhance the power and responsiveness of their LS-powered vehicle, providing a significant improvement in overall engine performance.

In summary, the Top Street Performance 81406 Cathedral Port Billet Low-Rise Intake Manifold is a high-quality, billet aluminum intake manifold designed for the General Motors LS engine family. Its cathedral-port design, low-rise configuration, and CNC-machined ports contribute to improved airflow, quicker response times, and increased power output, making it an excellent choice for performance enthusiasts seeking to optimize their engine's capabilities.

The Top Street Performance 81406 Cathedral Port Billet Low-Rise Intake Manifold is a popular aftermarket intake option for GM LS engines. Here are some pros and cons to help you make an informed decision about purchasing this intake manifold:

1. Enhanced Airflow: The billet design and large, ported runners of this intake manifold allow for increased airflow into the engine, which can lead to improved engine performance and power gains.

2. High-Quality Construction: The billet aluminum construction of this intake manifold ensures durability and strength, making it a reliable option for high-performance applications.

3. Low-Rise Design: The low-rise design of this intake manifold allows for easier installation and clearance issues, making it a popular choice for those looking to upgrade their intake system without significant modification to their engine bay.

4. Improved Throttle Response: The larger, ported runners of this intake manifold can help improve throttle response, providing a more responsive driving experience.

1. Cost: The Top Street Performance 81406 Cathedral Port Billet Low-Rise Intake Manifold is a premium aftermarket option, and the cost may be a significant consideration for some buyers.

2. Installation Complexity: While the low-rise design of this intake manifold makes installation easier than some other high-performance intake options, it still requires some level of mechanical expertise and experience to install correctly.

3. Fuel System Upgrades: In some cases, upgrading to this intake manifold may require additional fuel system upgrades to ensure proper fuel delivery and engine performance.

The Top Street Performance 81406 Cathedral Port Billet Low-Rise Intake Manifold is a high-quality, performance-oriented intake option for GM LS engines. It offers significant benefits in terms of enhanced airflow, improved throttle response, and high-quality construction. However, it also comes with a premium price tag and some installation complexity. Ultimately, whether or not this intake manifold is the right choice for your GM LS engine depends on your specific performance goals, budget, and mechanical expertise.

If you're looking for a high-performance intake manifold for your GM LS engine and are willing to invest in a premium option, the Top Street Performance 81406 Cathedral Port Billet Low-Rise Intake Manifold is an excellent choice. However, if cost is a significant consideration or you're not comfortable with the installation complexity, there may be other, more affordable options available that still offer significant performance gains. It's essential to weigh the pros and cons carefully before making a decision.

Details:

Compatible with: CHEVROLET SMALL BLOCK V8 GEN. Cathedral Port V Series Billet Aluminum Low-Rise Intake Manifold for GM LS: Taps intake and fuel rail set-up is 2025s hot new item. Items must be in their original condition and include all packaging accessories. III LS BASED 4.8 L / 293 in3 5.3 325 5.7 346 6.0 364 Basic Operating RPM Range 1,500-9,000 Maximum height 8.750 in.

Our team is committed to resolving any issues as quickly possible. Fresh off its award-winning turn at the 2024 SEMA Show, this billet aluminum kit features a beautiful aesthetic to heads, brilliant design boost your engines Performance, and modular for easy installation maintenance. Dress up your LS power plant with this one-of-a-kind set-up. Boxes, APO/FPO addresses if applicable.

Every TSP product is backed by a one-year warranty, ensuring reliability and customer confidence.

part #: 81406 prices

• $2697.27-$3995.95

specifications inputmanifolds:

• brand: Top Street Performance
• part type: Intake Aluminum Manifold
• manufacturer part number: 81406
• upc: 843806123487

returns inputmanifolds:

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

general inputmanifolds:

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

seller inputmanifolds:

• city: Santa Fe Springs, California
• # reviews: 4376
• rating: 99.4%

payments inputmanifolds:

• other
• wallet: Google-pay
• credit card: Visa

offer inputmanifolds:

• quantity: 8
• options: Ship-to-home
• started: November 22, 2025
• availability: In Stock
• sold: 0

shipping inputmanifolds:

• carrier: FedEx
• type: Fixed
• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery
• transit: 4-10 Days
• class: Standard

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