1. Manifolds & Headers Offered
  2. sku: 11729027660348793
  3. ATP 24989GRZT

ATP 24989GRZT Exhaust Manifold Left

fits make: Gmc. year: 1975.

24989grzt Atp For 1975 Gmc K25 Exhaust Manifold Left

( Brand: Atp ), ( Part Type: Exhaust Manifold ), ( Placement On Vehicle: Left ), ( Manufacturer Part Number: 24989GRZT ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Exhaust Manifold Includes, 3. ), ( Application: Gmc K25 Exhaust Manifold ), ( Cs-sku: 400 )

Review ATP Gmc Exhaust Manifold Left fits K25 1975

Introducing the ATP 24989 GRZT Exhaust Manifold, a superior replacement option for your 1975 GMC K25 truck's exhaust system. This exhaust manifold is meticulously engineered to deliver optimal performance and reliability, ensuring a seamless driving experience.

The ATP 24989 GRZT Exhaust Manifold is manufactured using high-quality steel, known for its strength and durability. Each manifold undergoes a rigorous casting process to ensure uniform thickness and superior strength. This results in a product that can withstand the extreme temperatures and pressures encountered in your exhaust system, providing long-lasting performance.

This exhaust manifold features a unique design that accommodates up to six exhaust ports, allowing for efficient exhaust gas flow. The ports are strategically positioned to optimize engine efficiency and reduce backpressure, resulting in improved engine performance and fuel economy.

The ATP 24989 GRZT Exhaust Manifold comes with precise engine specifications to ensure a perfect fit for your 1975 GMC K25 truck. Each manifold is meticulously inspected and tested to ensure it meets or exceeds OEM specifications. This ensures a hassle-free installation process and a reliable fit that will last.

The exhaust manifold also comes with a protective coating that shields it from the harsh conditions of the exhaust system. This coating helps to prevent corrosion and oxidation, ensuring the manifold maintains its appearance and function over time.

In summary, the ATP 24989 GRZT Exhaust Manifold for your 1975 GMC K25 truck is an excellent choice for those seeking superior performance and reliability. Its high-quality construction, strategic design, and precise engine specifications make it a top pick for exhaust system upgrades. With its long-lasting durability and protective coating, you can trust that this exhaust manifold will provide you with many miles of dependable service.

Buying a new aftermarket exhaust manifold (ATP 24989) for a 1975 GMC K25 truck can be a significant investment. Here are some potential pros and cons to consider before making a decision.

Pros:

1. Performance: A new exhaust manifold can improve the performance of your engine by reducing backpressure and improving exhaust gas flow. This can lead to increased horsepower and torque.

2. Durability: A new aftermarket manifold is typically made of higher quality materials than the original equipment manifold. This can lead to longer durability and fewer repairs over time.

3. Fitment: A new aftermarket manifold is specifically designed to fit your 1975 GMC K25 truck, ensuring a proper fit and function.

4. Easy installation: Many aftermarket manifolds come with easy-to-follow installation instructions, making the process relatively straightforward for the average DIYer.

Cons:

1. Cost: A new aftermarket exhaust manifold can be a significant investment, especially if you're working on a tight budget.

2. Customization: Some aftermarket manifolds may require modifications to the engine bay or exhaust system to fit properly. This can add to the cost and complexity of the project.

3. Loudness: An aftermarket exhaust manifold may produce a louder exhaust note than the original equipment manifold. This can be a desirable feature for some, but may not be ideal for those who prefer a quieter ride.

4. Warranty: Some aftermarket manufacturers may not offer the same level of warranty coverage as the original equipment manufacturer.

Conclusion:

Ultimately, the decision to buy a new aftermarket exhaust manifold (ATP 24989) for your 1975 GMC K25 truck depends on your specific needs and priorities. If you're looking for improved performance, durability, and a proper fit, then an aftermarket manifold may be worth the investment. However, if you're working on a tight budget or prefer a quieter exhaust note, then you may want to consider other options. It's always a good idea to do your research and compare prices and features from different manufacturers before making a final decision.

Recommendation:

If you've weighed the pros and cons and have decided that an aftermarket exhaust manifold is the right choice for your 1975 GMC K25 truck, then I would recommend taking the time to research different manufacturers and reading customer reviews to ensure that you're getting a high-quality product that will meet your needs and expectations. Additionally, be sure to follow the installation instructions carefully to ensure a proper fit and function.

part # 24989grzt price

  • $134.90

specifications maniheader:

  • for makes: Gmc
  • for years: 1975
  • brand: Atp
  • part type: Exhaust Manifold
  • placement on vehicle: Left
  • manufacturer part number: 24989GRZT
  • manufacturer warranty: 12 Month Warranty
  • notes: Exhaust Manifold Includes, 3.
  • application: Gmc K25 Exhaust Manifold
  • cs-sku: 400

shipping maniheader:

  • carrier: FedEx
  • class: Standard
  • cost: $0.00
  • type: Fixed
  • transit: 2-6 Days
  • service: FedEx Ground / FedEx Home Delivery

general maniheader:

  • condition: New
  • Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers

payments maniheader:

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

seller maniheader:

  • rating: 98.8%
  • # reviews: 328362

offer maniheader:

  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • started: April 15, 2026

returns maniheader:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for makes: gmc, for years: 1975, part type: exhaust manifold, placement on vehicle: left, manufacturer warranty: 12 month warranty, notes: exhaust manifold includes, 3., application: gmc k25 exhaust manifold, cs-sku: 400,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, sku: 11729027660348793,

Atp 24989GRZT Is Similar To:

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1 offer $134.90 USD
  • Offer #1: $134.90 price + free delivery = $134.90* total. Notes: Exhaust Manifold -- Includes: (1) Manifold & Flange Gasket, (3) Studs, (3) Nuts, (3) Washers. Parts Geek - For 1975 GMC K25 Exhaust Manifold Left.FREE SHIPPING