ACURA 21000-PNS-405 Manual Transmission K20Z1

( Manufacturer Part Number: 21000-PNS-405 ), ( Type: Manual Transmission ), ( Vintage Part: No ), ( Country Of Origin: Japan )

Review ACURA Types Manual Transmission Speed Oem fits RSX 2005–2006

Introducing the Acura 21000-PNS-405, an essential performance upgrade for the 2005-2006 Acura RSX with a manual transmission and the K20Z1 engine. This high-performance air intake system is specifically designed to deliver enhanced power, improved throttle response, and a more exhilarating driving experience.

The Acura 21000-PNS-405 air intake system is meticulously crafted from premium materials, including a large, high-flow conical air filter housing. The housing is constructed from black powder-coated aluminum, which not only looks great but also provides superior durability. The conical air filter inside is made of cotton gauze, ensuring maximum airflow while effectively trapping contaminants.

This air intake system replaces the stock air box and intake, and the cold-air design routes the air from the filter directly to the mass airflow sensor, ensuring optimal engine performance. The intake tubing is made from smooth, high-density, heat-resistant material, reducing air turbulence and restrictive flow.

The installation process is straightforward and can be completed in about an hour with basic hand tools. The system comes with detailed instructions, making it a great choice for both DIY enthusiasts and professional mechanics.

Incorporating the Acura 21000-PNS-405 air intake system into your RSX will yield noticeable improvements in power and throttle response, making your daily drive or weekend track day an even more enjoyable experience. Upgrade your Acura RSX today with this high-performance air intake system and join the ranks of satisfied enthusiasts who have experienced the difference it makes.

The 2005-2006 Acura RSX with the K20Z1 engine and manual transmission is a popular choice among car enthusiasts. Here are some pros and cons to help you make an informed decision about buying this model.

1. Affordability: The RSX is generally considered an affordable sports car, making it an excellent option for those who want to enter the world of performance vehicles without breaking the bank.

2. Handling: The RSX is known for its impressive handling capabilities. Its lightweight chassis, precise steering, and balanced suspension make it a joy to drive on winding roads.

3. Engine Performance: The K20Z1 engine is a powerful and responsive unit. It produces around 200 horsepower and 145 lb-ft of torque, providing plenty of power for everyday driving and light track use.

4. Reliability: The RSX is a reliable car, with many owners reporting no major issues after ownership for several years.

5. Modifiability: The RSX is a popular platform for modifications, allowing enthusiasts to customize their vehicles to their liking.

1. Cramped Interior: The RSX's cabin can be cramped for taller drivers and passengers. The low seating position and limited headroom in the back seat may not be suitable for all.

2. Fuel Economy: The RSX's engine is not particularly fuel-efficient, with an estimated fuel economy of around 21 mpg in the city and 30 mpg on the highway.

3. Limited Rear Visibility: The RSX's small rear window and thick C-pillars can make it difficult to see behind the car, which can be a concern when parking or reversing.

4. Noise Levels: The RSX's cabin can be quite noisy, especially when driving at high speeds or when accelerating hard.

5. Maintenance Costs: While the RSX is generally reliable, it may require more frequent maintenance than some other cars, especially if it is driven aggressively or modified.

The 2005-2006 Acura RSX with the K20Z1 engine and manual transmission is a great choice for those who are looking for an affordable, fun-to-drive sports car. Its impressive handling capabilities, powerful engine, and modifiability make it a popular choice among enthusiasts. However, it does have some drawbacks, such as cramped interior space, limited rear visibility, and higher-than-average maintenance costs. Ultimately, the decision to buy an RSX comes down to personal preference and priorities. If you can live with its quirks and are willing to put up with some noise and maintenance costs, then it could be an excellent addition to your garage.

If you're seriously considering buying an RSX, I would recommend taking it for a test drive before making a decision. This will help you get a better sense of the car's handling, comfort, and overall driving experience. Additionally, be sure to research potential maintenance costs and consider investing in some modifications to enhance the car's performance and comfort. Finally, make sure to compare the RSX to other similar sports cars in its price range to ensure that it's the best fit for your needs and budget.

Details:

Fits 2005 - 2006 Acura RSX type Available is a manual transmission removed from 2006 Acura RSX type Good working condition.

part #: 21000pns405 prices

• $229.99-$1799.99

specifications complmanu:

• for models: Rsx
• for makes: Acura
• for years: 2005-2006
• mpn: 21000-pns-405
• type: Manual Transmission
• vintage part: No
• country of origin: Japan

payments complmanu:

• wallet: Google-pay
• credit card: Diners-club
• other

seller complmanu:

• # reviews: 5666
• city: Madison, Alabama
• rating: 99.7%

general complmanu:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission

shipping complmanu:

• service: Flat Rate Freight
• class: Freight
• cost: $321.81
• type: Fixed

returns complmanu:

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

offer complmanu:

• started: February 19, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock
• best offers: True
• quantity: 1

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