1. Manifolds & Headers Offered
  2. sku: 5811153067485682
  3. ALLOYWORKS 674-522

ALLOYWORKS 674-522 Exhaust Manifolds Set

fits model: 1500, 2500, Silverado, Sierra, Tahoe. make: Chevy, Gmc. year: 1999–2013.

674-522 Alloyworks L R Exhaust Manifolds Set Fit 99-2013 Chevy Silverado Gmc Sierra Tahoe 1500 2500

( Brand: Alloyworks ), ( Type: Exhaust Manifold ), ( Placement On Vehicle: Front, Left, Right ), ( Manufacturer Part Number: 674-522 ), ( Oe/oem Part Number: 01953l, 12571679, 327-01928, 674-522, 674-732, 12578341 ), ( Performance Part: Yes ), ( Mounting Style: Bolt-on ), ( Model 1: Cadillac Escalade, Escalade Esv Escalade Ext ), ( Model 2: Chevy Tahoe 1500 Silverado 2500 Hd Silverado 3500 Suburban 1500 ), ( Model 4: Chevy Express 1500 2500 3500 ), ( Model 5: Hummer H2 ), ( Model 6: Gmc Savana 1500 2500 3500 ), ( Model 7: Gmc Sierra 1500 2500 3500 ), ( Model 8: Gmc Yukon Yukon Xl 1500 2500 ), ( Engine: 5.3l 6.0l 6.2l V8 )

Review ALLOYWORKS Exhaust Manifolds Set Fit Chevy Gmc fits SILVERADO SIERRA TAHOE 1500 2500 1999–2013

Introducing the AlloyWorks 674-522 Exhaust Manifolds Set, meticulously designed for select 1999-2013 Chevrolet Silverado, GMC Sierra, Tahoe, and 1500, 2500 series trucks. These aftermarket exhaust manifolds are engineered to provide superior performance and durability, making them an excellent choice for truck enthusiasts seeking an upgrade.

Each manifold is crafted from premium stainless steel, ensuring they are both rust-resistant and robust. This material selection not only enhances the longevity of the components but also contributes to a visually appealing and high-performance exhaust system.

The AlloyWorks 674-522 Exhaust Manifolds Set boasts a unique design that optimizes exhaust gas flow, enabling a more efficient combustion process. This translates to improved engine performance, enhanced power output, and increased fuel efficiency.

The manifolds feature a 5-bolt design for secure attachment to the engine, ensuring a reliable and stable connection. This design is a direct replacement for the factory manifolds, making installation a straightforward process.

Additionally, these exhaust manifolds are compatible with factory catalytic converters, allowing for a seamless integration with the existing exhaust system. For those seeking a more aggressive exhaust note, they can be paired with aftermarket high-performance exhaust systems for an even more thrilling driving experience.

In summary, the AlloyWorks 674-522 Exhaust Manifolds Set is an exceptional upgrade for your 1999-2013 Chevrolet Silverado, GMC Sierra, Tahoe, or 1500, 2500 series truck. These premium stainless steel manifolds offer improved performance, enhanced durability, and a visually appealing addition to your exhaust system. With their secure 5-bolt design and compatibility with factory catalytic converters, installation is a breeze. Upgrade your truck today with the AlloyWorks 674-522 Exhaust Manifolds Set.

Alloy Works 674-522 exhaust manifolds are aftermarket exhaust components designed for 1999-2013 Chevy Silverado, GMC Sierra, Tahoe, and 1500 and 2500 models. These manifolds offer several advantages and disadvantages, helping you make an informed decision regarding your vehicle upgrades.

Advantages:

1. Enhanced Performance: Alloy Works manifolds are designed to provide better exhaust flow compared to OEM manifolds. This results in improved engine performance, increased horsepower, and better throttle response.

2. Durability: These manifolds are made of 304 stainless steel, which is known for its strength and durability. Unlike OEM manifolds, which are often made of cast iron or other less durable materials, Alloy Works manifolds are designed to last longer, especially in harsh conditions.

3. Weight Reduction: By using lighter materials, these manifolds help reduce the overall weight of your vehicle. This can lead to better fuel efficiency and improved handling.

4. Custom Fit: Alloy Works manufactures these manifolds to fit specific vehicle models, ensuring a perfect fit and minimal exhaust leaks.

Disadvantages:

1. Cost: Aftermarket exhaust manifolds like the Alloy Works 674-522 can be more expensive than OEM manifolds. While the performance and durability benefits may be worth the investment for some, others may prefer to save money and stick with the original components.

2. Installation Complexity: Installing aftermarket exhaust manifolds can be more complicated than swapping out OEM components. You may need specialized tools and expertise, which could add to the overall cost and time investment.

Conclusion:

Alloy Works 674-522 exhaust manifolds offer several advantages, including enhanced performance, increased durability, weight reduction, and a custom fit. However, they also come with a higher cost and installation complexity compared to OEM manifolds. Ultimately, the decision to purchase these manifolds depends on your personal priorities, budget, and technical expertise. If you are looking for improved performance, durability, and a custom fit, and are willing to invest the time and money, then these manifolds could be a worthwhile upgrade for your Chevy Silverado, GMC Sierra, Tahoe, or 1500 and 2500 models.

Recommendation:

If you are considering the Alloy Works 674-522 exhaust manifolds, make sure to carefully weigh the advantages and disadvantages. Research the installation process, gather any necessary tools or expertise, and consider the potential performance gains. If you're confident in the benefits and can afford the investment, then these manifolds could be a great addition to your vehicle. However, if you're on a tight budget or prefer a simpler upgrade, you may want to consider other options or stick with the OEM components.

specifications maniheader:

  • for models: 1500, 2500, Silverado, Sierra, Tahoe
  • for makes: Chevy, Gmc
  • for years: 1999-2013
  • brand: Alloyworks
  • type: Exhaust Manifold
  • placement on vehicle: Front, Left, Right
  • manufacturer part number: 674-522
  • oe/oem part number: 01953l, 12571679, 327-01928, 674-522, 674-732, 12578341
  • performance part: Yes
  • mounting style: Bolt-on
  • model 1: Cadillac Escalade, Escalade Esv Escalade Ext
  • model 2: Chevy Tahoe 1500 Silverado 2500 Hd Silverado 3500 Suburban 1500
  • model 4: Chevy Express 1500 2500 3500
  • model 5: Hummer H2
  • model 6: Gmc Savana 1500 2500 3500
  • model 7: Gmc Sierra 1500 2500 3500
  • model 8: Gmc Yukon Yukon Xl 1500 2500
  • engine: 5.3l 6.0l 6.2l V8

seller maniheader:

  • rating: 100.0%
  • # reviews: 5035

payments maniheader:

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returns maniheader:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 60 Days

offer maniheader:

  • best offers: True
  • options: Ship-to-home
  • sold: 0
  • quantity: 10
  • availability: In Stock
  • started: May 20, 2025

shipping maniheader:

  • carrier: FedEx
  • transit: 3-8 Days
  • cost: $0.00
  • type: Fixed
  • class: Standard
  • service: FedEx Ground or FedEx Home Delivery

general maniheader:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
  • condition: New
for models: 1500, 2500, silverado, sierra, tahoe, for makes: chevy, gmc, for years: 1999-2013, type: exhaust manifold, placement on vehicle: front, left, right, oe/oem part number: 01953l, 12571679, 327-01928, 674-522, 674-732, 12578341, performance part: yes, mounting style: bolt-on, model 1: cadillac escalade, escalade esv escalade ext, model 2: chevy tahoe 1500 silverado 2500 hd silverado 3500 suburban 1500, model 4: chevy express 1500 2500 3500, model 5: hummer h2, model 6: gmc savana 1500 2500 3500, model 7: gmc sierra 1500 2500 3500, model 8: gmc yukon yukon xl 1500 2500, engine: 5.3l 6.0l 6.2l v8,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, sku: 5811153067485682,

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