What is a 40 mm intake manifold and what are its benefits?

A 40 mm intake manifold is a crucial component in an internal combustion engine that efficiently distributes air and fuel to the cylinders. Its design enhances airflow for improved engine performance. By optimizing the air-fuel mixture, it can lead to better throttle response, increased power output, and enhanced fuel efficiency. For applications such as car racing or high-performance street vehicles, upgrading to a 40 mm manifold can result in noticeable performance gains, making it a popular choice among automotive enthusiasts looking to maximize engine capability.

Is a 40 mm intake manifold suitable for all engines?

Not all engines are compatible with a 40 mm intake manifold. It's essential to ensure that the manifold matches your engine's specifications for optimal performance. Typically, products designed for specific engine types, like those found in certain models of cars or motorcycles, can benefit most from this upgrade. If you own a naturally aspirated or modified engine, a 40 mm manifold can significantly improve airflow and performance. Always consult your engine's manual or a professional when considering modifications for the best results.

How does a 40 mm intake manifold affect fuel efficiency?

A 40 mm intake manifold can positively affect fuel efficiency by optimizing how air enters the engine. By ensuring a proper air-fuel mixture, it helps the engine combust fuel more effectively. When air is supplied efficiently, the engine can produce more power with less throttle input, which can lead to improved mileage. This is particularly beneficial in performance driving scenarios where heavy acceleration may typically burn more fuel. However, the overall impact on fuel economy will depend on the driving style and any other modifications made to the engine.

What materials are commonly used in the construction of 40 mm intake manifolds?

40 mm intake manifolds are generally constructed from materials such as aluminum, plastic, or composite materials. Aluminum is popular due to its lightweight properties and durability, ensuring optimal performance under various conditions. On the other hand, plastic manifolds are lightweight and can offer cost-efficiency while providing adequate airflow for many stock engines. The choice of material can influence factors such as weight, thermal efficiency, and resistance to corrosion, which are essential for maintaining performance and longevity in different driving conditions.

Can I install a 40 mm intake manifold myself?

Yes, many enthusiasts opt to install a 40 mm intake manifold themselves, as the process can be straightforward with the right tools and knowledge. The installation typically involves disconnecting the old manifold, ensuring all gaskets are replaced, and fitting the new manifold securely. However, it is crucial to familiarize yourself with your vehicle's specific instructions and take necessary precautions. If done correctly, this DIY approach can lead to exciting performance upgrades, but if unsure, consulting a professional is always wise to avoid potential issues.

What should I consider when upgrading to a 40 mm intake manifold?

When upgrading to a 40 mm intake manifold, consider factors like compatibility with your engine type, intended usage (street vs. racing), and whether you have any additional engine modifications. It's also vital to account for the need for tuning after installation; improper tuning can lead to performance problems or even engine damage. Additionally, check whether you require any other components, such as improved air filters or throttle bodies, to fully benefit from the manifold upgrade. This will ensure that your entire setup works harmoniously for optimal results.

Will a 40 mm intake manifold improve my vehicle's throttle response?

Absolutely, a 40 mm intake manifold can improve throttle response due to its design, which allows for increased airflow to the engine. This means that when you press the gas pedal, more air and fuel can enter the cylinders, resulting in a quicker reaction. This improvement is particularly noticeable in high-performance driving where immediate acceleration is desired. If you frequently drive in conditions that demand quick acceleration or handling, upgrading to a 40 mm intake manifold could significantly enhance your driving experience, making it more responsive and engaging.

What types of vehicles typically benefit from a 40 mm intake manifold?

A 40 mm intake manifold is commonly beneficial for performance-oriented vehicles, including sports cars, modified street cars, and racing machines. It is often found in high-revving engines where optimal airflow is crucial to maximize power output. Vehicles involved in motorsports, such as drag racing or track day events, will see considerable improvements in performance metrics. Additionally, enthusiasts looking to enhance daily drivers for better responsiveness or efficiency can also find value in this upgrade, making it a versatile choice among various engine types.

How do I maintain a 40 mm intake manifold?

Maintaining a 40 mm intake manifold involves regular inspection and cleaning to ensure optimal performance. It's important to regularly check for any signs of leaks, as even the slightest air leak can disrupt the air-fuel mixture and affect engine performance. Cleaning the manifold periodically prevents carbon buildup, which can inhibit airflow. Using appropriate cleaners specifically designed for intake systems is recommended. If paired with a performance air filter, it's important to check and clean or replace it to ensure continued efficient airflow. Proper maintenance will help extend the life and functionality of the manifold.

Where can I buy a 40 mm intake manifold in South Africa?

You can buy a 40 mm intake manifold in South Africa through Ubuy. They offer a wide selection of automotive parts and performance upgrades, making it a reliable platform for sourcing high-quality intake manifolds. Additionally, Ubuy ensures that you can find products specific to your vehicle type, along with customer reviews and detailed product descriptions to guide your purchase. This makes shopping for your desired 40 mm intake manifold convenient and informative.

How to Shop 40 mm Intake Manifold Online From Ubuy?

It’s easy to shop 40 mm Intake Manifold online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is 40 mm Intake Manifold Available to Shop Online in South Africa?

Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The 40 mm Intake Manifold is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Flying Horse

Upgrade your fuel system with the compatible intake manifold for Grubee Bicycle Engines.

Flying Horse

Item #: 13720560

40 mm Intake Manifold

89% of respondents would recommend this to a friend

Item #: 13720560

ZAR 227

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Upgrade your fuel system with the compatible intake manifold for Grubee Bicycle Engines.

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What Stands Out

Enhanced Airflow

The 40 mm intake manifold is designed to optimize airflow, increasing engine efficiency and power output, which enhances overall vehicle performance.

Durable Construction

Constructed from high-quality materials, this manifold ensures longevity and resilience under extreme conditions, reducing the need for frequent replacements.

Easy Installation

User-friendly design allows for straightforward installation, making it accessible for both DIY enthusiasts and professional mechanics, saving time and labor costs.

Product Details

Designed for 2-stroke bicycle engine kits of 66/80cc's and 48cc's
Measures 40mm between the center of each intake stud
Compatible with most carburetors except for CNS High Performance Carburetors
Made from thick and strong aluminum suitable for tapping for a Boost bottle or NOS
Intended for boosting engine performance
Constructed for durability and reliable performance

Product Technical Details

Manufacturer	‎Flying Horse
Brand	‎Flying Horse
Item Weight	‎1.28 ounces
Manufacturer Part Number	‎FH-INTKEMAN-40

Who Should Buy?

Performance Enthusiasts
Ideal for car enthusiasts seeking improved airflow and better engine performance in modified vehicles.
Engine Upgrades
Suitable for users upgrading their engine components, enhancing efficiency and throttle response with a larger intake manifold.
Racing Applications
Perfect for racers looking for higher horsepower gains and improved acceleration on track or street.

Stock Vehicles
Not suitable for stock vehicles, as it may require additional modifications and can disrupt factory calibration.

Product Description

About This Item

Upgrade the performance of your Grubee Bicycle Engine with the 40 mm Intake Manifold. Designed to perfectly fit your engine, this intake manifold will take your riding experience to the next level. The 40 mm Intake Manifold is made from high-quality materials, ensuring durability and longevity. With its precise construction, it allows for maximum airflow, resulting in improved fuel efficiency and increased power output.

Say goodbye to sluggish rides and hello to enhanced performance. Installing the 40 mm Intake Manifold is a breeze. Simply follow the included instructions and refer to the parts manual for easy installation. It is a direct replacement for part number 4-17, making it a hassle-free upgrade. Whether you're a seasoned cyclist or just starting out, the 40 mm Intake Manifold is suitable for riders of all levels.

It is compatible with Grubee Bicycle Engines, ensuring a perfect fit and compatibility. So why wait? Upgrade your engine with the 40 mm Intake Manifold and experience the difference it makes in your rides. Order now from Ubuy and enjoy improved performance and efficiency on your next adventure.

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Customer Questions & Answers

Question: How to Shop 40 mm Intake Manifold Online From Ubuy?

Answer: It’s easy to shop 40 mm Intake Manifold online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is 40 mm Intake Manifold Available to Shop Online in South Africa?

Answer: Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The 40 mm Intake Manifold is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Flying Horse Intake Manifolds Editorial Review

The 40 mm Intake Manifold is the perfect solution for fixing air leaks and improving performance. It is the right size for standard motorized bike carburetors and has successfully fixed vacuum leaks for customers. The cast design is visually pleasing and works just as well as welded ones. However, it is important to use a new gasket for optimal results. Overall, customers are satisfied with the product, fast shipping, and great customer service.

Customer Reviews & Ratings

4.3

27 customers ratings

5 Star

62%
4 Star

21%
3 Star

11%
2 Star

0%
1 Star

6%

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Pros

Fixes air leaks and improves performance
Perfect size for standard motorized bike carburetors
Visually pleasing cast design
Works just as well as welded ones
Fast shipping

Cons

Mismatch in shape between the product received and the one shown in the picture

Platform Trust & Buyer Confidence

4.3/5 219 reviews

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“From the moment I placed my order, I was kept informed about the status of my order. I received my goods in good condition only a few days after placing the order. Well done, thank you.”

17 July 2026 · via Trustpilot

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Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

ZAR 227

Order now and get it around Wednesday, October 28

QTY:

Only 7 items left in stock.

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40 mm Intake Manifold