The 9 Best Flathead V8 Exhaust Manifolds (2022 reviews)

flathead v8 exhaust manifolds
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There are plenty of options available while buying flathead v8 exhaust manifolds in the market right now, and if you're confused regarding which one to go for, This page is just for you.

Our review process:

Our Top Picks:

Best Overall:
Buy: Vincos Flathead V8 Exhaust Manifold
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Best For Worth The Money:
Buy: Dorman Flathead V8 Exhaust Manifold
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Best For High Quality:
Buy: 1409Kmt Flathead V8 Exhaust Manifold
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Best For Hack Repair:
Buy: 1409Kmt Exhaust Manifold
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Best For Driver Side:
Buy: Mmi Flathead V8 Exhaust Manifold
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Best For Lifetime Warranty:
Buy: Atp Flathead V8 Exhaust Manifold
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Best For Air Flow:
Buy: Dna Motoring Flathead V8 Exhaust Manifold
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Best For Stainless Steel:
Buy: Dewhel Flathead V8 Exhaust Manifold
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Best For Exhaust Manifold Gasket:
Buy: Dnj Flathead V8 Exhaust Manifold
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Best Overall: Vincos Flathead V8 Exhaust Manifold

Vincos Flathead V8 Exhaust Manifold
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Vincos makes beautiful and feature-packed manifolds with classic and higher-grade materials. The Vincos Flathead V8 Exhaust Manifold came with part number and it worked fine. Make sure this fits by entering your model number. Moreover, it is designed to withstand the harsh conditions in the modern engine compartment.

The manifold is compatible and it has 4 nuts. And, this is lower, works perfectly and it is easy to use. Lastly, the vincos flathead v8 exhaust manifold can be good quality and it works great.

Almost all customers found that the manifold is great for one side of a jeep 4.7. Moreover, they say that the manifold is coated with a threadless compound. In short, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • This works as advertised and it buy again.
  • This is perfect for exact replacement and it is good for exhaust manifold gasket.
  • This can not fit your car, thanks.
  • This is soft, solid and it is used for 4 bolts.

Best For Worth The Money: Dorman Flathead V8 Exhaust Manifold

Dorman Flathead V8 Exhaust Manifold
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The Dorman flathead v8 exhaust manifold is capable of outshining several other manifolds featured in this list in overall features in its price range. The Dorman Flathead V8 Exhaust Manifold works fine and it is much more. To make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool. This replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking.

Most importantly, the dorman flathead v8 exhaust manifold protects against warping or cracking.

Most customers found that the manifold is made for changing shocks. O'reillys also carries that fits it perfectly. Further, they also found that the manifold came with a metal gasket.

Top Customer Quotes:
  • This is best for good fit and it comes with complete kit.
  • These fit with no problems and are working well so far.
  • It fits like a glove and it is worth the money.
  • It is a hell of a job getting the old manifold off, however.

Best For High Quality: 1409Kmt Flathead V8 Exhaust Manifold

1409Kmt Flathead V8 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 Flathead V8 Exhaust Manifold comes with a great item, allows for great ideas and it makes for a great buy. 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 flathead v8 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 - "It will take trial and error and time, but if you’re wondering if you can, then you most certainly can. ". Almost all buyers opine that the manifold is a perfect fit for motor manifold issues.

Why We Like This:
  • It has mounting hardware and it works great.
  • Fits these gm vehicles:silverado, sierra, Yukon, denali, Escalade, Hummer.
  • One of the newcomers and featured product.

Best For Hack Repair: 1409Kmt Exhaust Manifold

1409Kmt Exhaust Manifold
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The 1409Kmt Exhaust Manifold's material feels more premium than its price would suggest. The 1409kmt exhaust manifold is easy to install and uses high-quality materials that meet or exceed oem standards. Make sure this fits by entering your model number. The exhaust manifold bolt repair bracket is to stop exhaust leaks that occur between the exhaustmanifold and the cylinder head.

Above all, the 1409kmt exhaust manifold works great, is tough, it works well and has great style.

Almost all buyers found that the manifold works for a hack repair. Further, they also found that the manifold is easy to install and fast saves a lot of work. In conclusion, the tone of buyers is very positive and we believe that the manifold suits the purpose.

Why We Like This:
  • Good investment for the long term.
  • New and hot releases.

Best For Driver Side: Mmi Flathead V8 Exhaust Manifold

Mmi Flathead V8 Exhaust Manifold
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We would, of course, be remiss if we didn't mention the Mmi Flathead V8 Exhaust Manifold for daily purpose. Also, it is designed to integrate w/ ls swap applications & components hardened stainless hardware. Make sure this fits by entering your model number. Most importantly, the mmi flathead v8exhaust manifold is thick and it is super strong.

Almost all buyers found that the manifold is a vband flange, 2.5in in size. In addition, they strongly agree that the manifold is cast iron and needs a lot of casting burrs cleaned out and a pyrometer bung welded into it if you are running a pyrometer. Also, a few strongly agree that the manifold includes both manifolds, left and right side, the pass.

Why We Like This:
  • Super strong design custom swap setup.
  • *****no need to relocate the alternator like the other guys.
  • Lot of satisfied buyers.

Best For Lifetime Warranty: Atp Flathead V8 Exhaust Manifold

Atp Flathead V8 Exhaust Manifold
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Atp is known for creating pragmatic and minimalist manifolds for people on the go, and its line of Atp Flathead V8 Exhaust Manifolds definitely falls in line with that reputation. The atp flathead v8 exhaust manifold is developed off of the original part’s specifications, to ensure it will install and perform as intended. Make sure this fits by entering your model number. These manifolds are backed by atp’s limited lifetime warranty.

Lastly, the atp flatheadv8 exhaust manifold is machine finished to guarantee the flanges are perfectly flat, mounted evenly and do not leak.

Almost all buyers agree that the manifold is the reason for 4 stars rather than 5 stars. Obviously, this product passed the test and had very satisfied buyers eager to share their experience.

Why We Like This:
  • High grade metallurgy resists fatigue, cracking and breakage.
  • Precision machine finished providing smooth installation and leak free performance.
  • This is lower and it is used for exhaust manifolds.

Best For Air Flow: Dna Motoring Flathead V8 Exhaust Manifold

Dna Motoring Flathead V8 Exhaust Manifold
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If you want nothing but a manifold that is satisfactory, this Dna Motoring Flathead V8 Exhaust Manifold is certainly the best investment. The dna motoring flathead v8 exhaust manifold can be opened for air flow, It is accurate and has a better design. Make sure this fits by entering your model number. These form the basis where the rest of the turbo system is built around.

Above all, the dna motoring flathead v8exhaust manifold allows for a much smoother flow of exhaust gas to the turbo.

Why We Like This:
  • This tubular manifold furthers the exhaust flow using " equal length " runners.
  • Tubular design with equal runners to ensure equivalent exhaust flow rate from each cylinder.
  • Tig welded cnc machined flange for resistance against cracking and wearing.
  • This has increased engine exhaust output and has a turbocharger design.

Best For Stainless Steel: Dewhel Flathead V8 Exhaust Manifold

Dewhel Flathead V8 Exhaust Manifold
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Not everyone likes to purchase a manifold for their daily usage, but the developed flatheadv8 exhaust manifold would be an anomoly. Make sure this fits by entering your model number. Stainless steel exhaustmanifold studs and stainless steel serrated face flange nuts. When it comes to finding a reliable manifold, the Dewhel Flathead V8 Exhaust Manifold is definitely your first choice.

Overall, the tone of buyers is very positive and we believe that the manifold suits the purpose.

Why We Like This:
  • Ford 4.6 & 5.4 liter v8 stainless exhaust manifold stud kit.
  • Good investment for the long term.

Best For Exhaust Manifold Gasket: Dnj Flathead V8 Exhaust Manifold

Dnj Flathead V8 Exhaust Manifold
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The Dnj Flathead V8 Exhaust Manifold should be able to handle its purpose and duties with ease. The dnj flathead v8 exhaust manifold is a brand new dnj. Manufacturer says: We carefully selected DNJ engine components as the sole provider. Further, it is suitable for heat shield and it is suitable for the exhaust manifold gasket.

Most importantly, the dnj flathead v8 exhaust manifold has a 30+ year track record of quality, experience, and trust.

Why We Like This:
  • This is limited to the replacement of a defective product only.
  • Fitment notes: exhaust, w/o ca, w/ heat shield.
  • This is brand new: dnj® exhaust manifold gasket.