There are several advantages of having a 454 big block exhaust manifold. We are here to help you pick the best one for your purposes from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Dorman 454 Big Block Exhaust Manifold READ REVIEW

Best For Easy Fix: Buy: Sierra International 454 Big Block Exhaust Manifold READ REVIEW

Best For Passenger Side: Buy: 1409Kmt 454 Big Block Exhaust Manifold READ REVIEW

Best For Great Price: Buy: Apdty 454 Big Block Exhaust Manifold READ REVIEW

Best For Stainless Steel: Buy: Dewhel 454 Big Block Exhaust Manifold READ REVIEW

Best For All Necessary Gaskets: Buy: Dorman Exhaust Manifold READ REVIEW

Best Feature: Sheerness: Buy: Magqoo 454 Big Block Exhaust Manifold READ REVIEW

Best Overall: Dorman 454 Big Block Exhaust Manifold

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The Dorman 454 big block exhaust manifold's material feels more premium than its price would suggest. The Dorman 454 big block exhaust manifold is a reliable replacement for the original hardware that is missing or damaged, or has failed. With thousands of convenient small parts available almost everywhere, you can quickly get the components you need. This exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles, and is made from quality materials for reliable performance.

The manifold is inexpensive, comes with new bolts and it is used for exhaust manifolds. Also, the manifold comes with great bolts, provides great value and it is good for direct replacement. Most importantly, the Dorman 454 big blockexhaust manifold is compatible with part number and it works well for good quality.

Most customers found that the manifolds are 1mm smaller than stock in 2008 lc9. In addition, they say that the manifold has a nice coating on it and the head is bigger than the stock ones. In addition, they also found that the first was center punching the stud then the left hand drill bit. In conclusion, many customers have used the manifold for more than a few months without any issues, and it shows no sign of giving up.

• This is used to replace old bolts..fit like a glove.
• This is made from quality components to ensure reliable performance and a long service life.
• This fits well, only 11 in the package.
• They fit, so that 's pretty cool.

Best For Easy Fix: Sierra International 454 Big Block Exhaust Manifold

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Sierra International line of manifold comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Sierra International 454 Big Block Exhaust Manifold is lower and it fits well. Make sure this fits by entering your model number. In addition, it works fine, is made for universal fit and it comes with part numbers.

Most importantly, the sierra international 454 bigblock exhaust manifold is compatible with part number, is great for a great price and it is another than that hassle.

Almost all customers quickly discovered that the manifold comes with everything needed and it is perfectly and assembled easily. In addition, they strongly agree that the manifold will fit both the port and starboard exhaust. Further, they say that the manifold is an exact fit and includes gasket for the exhaust and riser side.

• This is ideally suited for freshwater applications.
• This works well for good quality and it is designed for good fit.
• This is supplied with gaskets and will fit port and starboard applications.
• Fits: mcm/mie gm v-8 (305, 350 & 377 cid) engines (1983-2002).

Best For Passenger Side: 1409Kmt 454 Big Block Exhaust Manifold

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1409Kmt offers a variety of manifold for personal choice and yet maintains quality in all the variants. The 1409Kmt 454 Big Block Exhaust Manifold does its job, is good for the driver and it is easy. Make sure this fits by entering your model number. The exhaust manifold bolt repair bracket is to stop exhaust leaks that occur between the exhaust manifold and the cylinder head.

The manifold is not necessary to remove the cylinder head or drill out the broken bolts. Also, the manifold is easy to install and uses high-quality materials that meet or exceed oem standards. Above all, the 1409kmt 454big block exhaust manifold is made of carbon steel, exhaust manifold bolt repair brackets will not fail like the bolts do from heat and expansion of the manifold.

One customer says - "The installation process is simple and the product works great. ". Most customers suggest that the manifold takes a 16mm wrench or socket, but not with 1/64" of paint on each flat of the bolt. With no doubts, this product passed the test and had very satisfied buyers eager to share their experience.

• This has mounting hardware, is good for cheap fix and it is thick.
• Fits these gm vehicles:silverado, sierra, Yukon, denali, Escalade, Hummer.
• This is great for heat shield, is functional and it is newer.

Best For Great Price: Apdty 454 Big Block Exhaust Manifold

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The Apdty 454 Big Block Exhaust Manifold is capable of outshining several other manifolds featured in this list in overall features for the price point. Moreover, this is compatible with the 454 7.4l big block on specific models listed in the compatibility chart. It's a brand new exhaust manifold cast iron assembly w/ gasket & downspout hardware. Most importantly, the apdty 454 bigblock exhaustmanifold can also be used for custom applications and clearance issues are not a problem.

"I had to replace both manifolds on our old farm truck, This manifold bolted up perfectly. " - says, one customer. Overall, at the price, they believe that they got a steal of a deal with it.

• Compatible with select 1988-1995 chevrolet models; 1988-1995 gmc models.
• See compatibility chart to verify your specific vehicle 's year, make, & model.
• One of the newcomers and featured product.

Best For Stainless Steel: Dewhel 454 Big Block Exhaust Manifold

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If you often find yourself scrambling for a convenient and suitable manifold, developing a 454big blockexhaust manifold should be your first option for buying. Make sure this fits by entering your model number. Stainless steel exhaust manifold studs and stainless steel serrated face flange nuts. The manifold is easy to maintain and it will match with your daily purpose.

Overall, for almost all buyers, it was what they were looking for.

• Ford 4.6 & 5.4 liter v8 stainless exhaust manifold stud kit.
• Lot of satisfied buyers.

Best For All Necessary Gaskets: Dorman Exhaust Manifold

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate manifold. The Dorman exhaust manifold is exactly that - it's a simple manifold that hits all the right notes. The Dorman Exhaust Manifold is made with reliable construction, making for great replacement, It is durable and has a trustworthy design. To make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool. This exhaust manifold was precision - engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles.

The manifold protects against warping or cracking. Most importantly, the dorman exhaustmanifold is compatible with the following vehicles.

"Also, replace the donut gaskets while you have them apart. " - says, one customer. To sum up, buyers found this to be one of the best manifold for daily purposes.

• Reliable construction - durable materials resist warping, cracking and leaking for long-lasting performance.
• Before purchasing, put your vehicle trim in the garage tool to confirm fitment.
• This includes all necessary gaskets and downpipe hardware for a complete repair.
• This is made of durable materials and it is best for exhaust manifolds.

Best Feature: Sheerness: Magqoo 454 Big Block Exhaust Manifold

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The Magqoo 454 Big Block Exhaust Manifold's high-end materials makes sure that it ages well with use. The magqoo 454 big block exhaust manifold is made from high-quality materials to maximize performance and ensure lasting durability. Make sure this fits by entering your model number. Furthermore, this works great and it works well.

Lastly, the magqoo 454 big block exhaust manifold is used to repair the driver's side front or the passenger side rear broken exhaust manifold bolts.

In short, at the price, they believe that they got a steal of a deal with it.

• This is black and it is newer.
• 💫Made from high-quality materials to maximize performance and ensure lasting durability.
• 💫The exhaust manifold repair kit will repair the exhaust leak.