FIRCHASSIS FIRC4776380SS Exhaust Manifolds

( Brand: Firchassis ), ( Country Of Origin: United States ), ( Type: Exhaust Manifold ), ( Non-domestic Product: No ), ( Material: Cast Iron ), ( Features: Left Right Exhaust ), ( Placement On Vehicle: Left, Right, Front ), ( Manufacturer Part Number: FIRC4776380SS ), ( Oe/oem Part Number: 674-522, 674-732 ), ( Color: Silver ), ( Surface Finish: Black ), ( Mounting Hardware Included: Yes ), ( Fitment Type: Direct Replacement ), ( Manufacturer Warranty: 3 Years )

Review FIRCHASSIS Chevy Gmc 1999 Exhaust Manifolds fits SILVERADO SIERRA TAHOE 1500 2500 2000–2013

Introducing the FIRCHASSIS FIRC4776380SS exhaust manifold, an essential upgrade for your Chevy Silverado or GMC Sierra 1500 or 2500 models from the 1999 to 2013 generations. Designed with precision and durability in mind, this exhaust manifold is a game-changer for your vehicle's performance.

The FIRC4776380SS exhaust manifold is a cast iron replacement part that bolts directly onto your engine, replacing the worn-out or damaged original component. Its robust design ensures a secure fit and excellent durability, allowing you to enjoy a reliable driving experience for years to come.

This exhaust manifold features a modern, high-performance design with optimized flow characteristics. Its engineered exhaust ports are strategically placed to enhance exhaust gas flow and improve scavenging efficiency. The result is a more efficient combustion process, leading to increased horsepower, torque, and overall engine performance.

The FIRC4776380SS exhaust manifold is also designed to reduce exhaust gas temperatures, protecting your catalytic converter and improving your vehicle's emissions compliance. Its advanced engineering ensures a smooth, even exhaust flow, reducing exhaust pressure and improving engine responsiveness.

Moreover, this exhaust manifold features a polished finish that not only looks great but also helps protect the manifold from corrosion and wear. Its durable construction also ensures that it can withstand the extreme temperatures and pressures generated by your engine, making it a reliable and long-lasting solution for your vehicle.

In summary, the FIRCHASSIS FIRC4776380SS exhaust manifold is a high-performance, durable, and reliable replacement part for your Chevy Silverado or GMC Sierra 1500 or 2500 models. Its advanced design improves engine performance, reduces exhaust gas temperatures, and ensures a secure fit, making it an excellent investment for any serious truck enthusiast.

Pros and Cons of Buying FIRCHASSIS FIC4776380SS Exhaust Manifolds for Chevy Silverado/GMC Sierra 1500, 2500 (1999-2013)

The FIRCHASSIS FIC4776380SS exhaust manifold is a popular aftermarket option for those looking to upgrade the exhaust system of their Chevy Silverado or GMC Sierra 1500 and 2500 models from 1999 to 2013. In this article, we will discuss the pros and cons of purchasing this exhaust manifold to help you make an informed decision.

1. Improved Performance: The FIRCHASSIS FIC4776380SS exhaust manifold is designed to improve the performance of your vehicle by increasing the exhaust flow and reducing backpressure. This can result in better fuel efficiency, increased horsepower, and improved throttle response.

2. Durability: This exhaust manifold is made from high-quality stainless steel, making it more durable than the original factory exhaust manifold. It is also designed to withstand high temperatures and corrosion, ensuring long-lasting performance.

3. Enhanced Sound: The FIRCHASSIS FIC4776380SS exhaust manifold can provide your vehicle with a more aggressive and deeper exhaust note, adding to the overall driving experience.

4. Easy Installation: The exhaust manifold comes with all necessary hardware and gaskets for installation, making it a relatively easy DIY project for those with basic mechanical skills.

1. Cost: Compared to the factory exhaust manifold, the FIRCHASSIS FIC4776380SS exhaust manifold can be quite expensive. The cost may be a deterrent for some buyers, especially those on a budget.

2. Loud Exhaust Note: While some people may find the enhanced exhaust note appealing, others may find it to be too loud for their liking. If you prefer a quieter exhaust system, this may not be the best option for you.

3. Potential Fitment Issues: Although the FIRCHASSIS FIC4776380SS exhaust manifold is designed to fit most Chevy Silverado and GMC Sierra 1500 and 2500 models from 1999 to 2013, there may be some fitment issues for certain vehicles. It is important to verify that this exhaust manifold is compatible with your specific vehicle before making a purchase.

The FIRCHASSIS FIC4776380SS exhaust manifold is an excellent option for those looking for improved performance, durability, and a more aggressive exhaust note for their Chevy Silverado or GMC Sierra 1500 and 2500 models from 1999 to 2013. However, it comes with a higher cost, potential fitment issues, and a loud exhaust note that may not be suitable for all buyers. Ultimately, the decision to purchase this exhaust manifold depends on your individual preferences and priorities.

If you are looking for a high-performance exhaust manifold for your Chevy Silverado or GMC Sierra 1500 and 2500 models from 1999 to 2013 and are willing to pay the premium price, the FIRCHASSIS FIC4776380SS exhaust manifold is an excellent choice. However, if you are on a budget, prefer a quieter exhaust system, or have concerns about fitment, it may be worth exploring other options or consulting with a professional mechanic before making a decision.

part # firc4776380ss price

• $112.21

specifications maniheader:

• for models: 1500, 2500, Silverado, Sierra, Tahoe
• for makes: Chevy, Gmc
• for years: 2000-2013
• brand: Firchassis
• country of origin: United States
• type: Exhaust Manifold
• non-domestic product: No
• material: Cast Iron
• features: Left Right Exhaust
• placement on vehicle: Left, Right, Front
• manufacturer part number: FIRC4776380SS
• oe/oem part number: 674-522, 674-732
• color: Silver
• surface finish: Black
• mounting hardware included: Yes
• fitment type: Direct Replacement
• manufacturer warranty: 3 Years

general maniheader:

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

offer maniheader:

• started: June 14, 2026
• sold: 0
• availability: In Stock
• best offers: True
• options: Ship-to-home
• quantity: 1

shipping maniheader:

• class: Standard, Expedited
• cost: $0.00
• type: Fixed
• service: Standard, Expedited
• transit: 4-9 Days

seller maniheader:

• rating: 99.2%
• # reviews: 2626

payments maniheader:

• credit card: Mastercard
• wallet: Paypal
• other

returns maniheader:

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

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