The 7 Best L Marine Exhaust Manifolds (2022 reviews)

Compared with other manifolds in this category, the Apdty L Marine Exhaust Manifold has a design with broader appeal. The apdty l marine exhaust manifold fits perfectly, would be perfect for fast shipping and it is perfect for high quality. Make sure this fits by entering your model number. This product contains chemicals known by the state of California to cause cancer and birth defects or other reproductive harm.

The manifold is great with the pb blaster and it perfectly. Finally, the apdty l marine exhaust manifold is simple and it fits well.

One customer says - "High quality over what they send you with needed headers. ". Most buyers agree that the manifold is a perfect fit for the 5.3l engine.

Customers say that getting a marine exhaust gasket material and 4 age exhaust flange, along with manifold is useful.

Why We Like This:

This comes with new bolts and it comes with a direct fit.
Factory oem fit form and function.
It looks good, is automotive and it worked fine.
This is brand new, it looks great and it is great for customer service.

Best For Passenger Side: Dorman L Marine Exhaust Manifold

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We would, of course, be remiss if we didn't mention Dorman l marine exhaust manifold for regular usage. The Dorman l marine exhaust manifold comes with a direct fit, It is best for exhaust manifolds and has a nice design. 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.

The manifold can register for a lifetime warranty, is built with great parts and it has upgraded materials. Furthermore, this includes gaskets and it makes for a great buy. Most importantly, the Dorman l marineexhaust manifold protects against warping or cracking.

Almost all customers quickly discovered that the manifold allows for variance in the manifold and offers better gasket sealing. Further, they also found that the manifold was not a defect but done purposely. Further, a few strongly agree that the manifold comes with the seals and studs for everything else. So, buyers were very happy to recommend it to friends and families.

Customers discovered that getting a performance marine exhaust manifold and sbc aluminum marine exhaust manifold, along with manifold is useful.

Top Customer Quotes:

This works for all necessary gaskets and it works as expected.
This is a perfect fit on both ends.
Direct fit - reverse engineered from original equipment for seamless installation.
This fits perfectly in a 2000 Chevy silverado 2500 6.0.

Best For Easy Fix: Sierra International L Marine Exhaust Manifold

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If you are currently in the market looking for a suitable manifold for your daily purpose, Sierra international l marine exhaust manifold is the natural choice. The Sierra International L Marine Exhaust Manifold is compatible with part numbers, is straight and it is great for a great price. Make sure this fits by entering your model number. In addition, it is small, is designed for easy fix and it is good for heavy duty.

The manifold allows for very good quality, is best for good fit and it has saved some money. Finally, the sierra international lmarine exhaust manifold is supplied with gaskets and will fit port and starboard applications.

Almost all buyers quickly discovered that the manifold was an exact fit and included a gasket for the exhaust and riser side. Also, a few strongly agree that the manifold will fit both the port and starboard exhaust. In short, the tone of buyers is very positive and we believe that the manifold suits the purpose.

Customers discovered that getting a 454 marine water pump, with this manifold made their life much easier.

Top Customer Quotes:

This works fine and it is flat.
This would be perfect with fast shipping and it works with part number.
Will fit both port and starboard.
This comes with everything needed and it is perfectly and assembled easily.

Best For High Quality: 1409Kmt L Marine Exhaust Manifold

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The 1409Kmt L Marine Exhaust Manifold's material feels more premium than its price would suggest. The 1409kmt l marine exhaust manifold allows for great fitment 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 exhaustmanifold and the cylinder head.

The 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. Above all, the 1409kmt l marineexhaust manifold again and it is current.

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.

Few customers bought 429 cobra jet exhaust manifold, along with the manifold.

Why We Like This:

This is easy to install and uses high-quality materials that meet or exceed oem standards.
Fits these gm vehicles:silverado, sierra, Yukon, denali, Escalade, Hummer.
This is newer and it is good for the passenger side.
It is not necessary to remove the cylinder head or drill out the broken bolts.

Best For Driver Side: Mmi L Marine Exhaust Manifold

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We would, of course, be remiss if we didn't mention Mmi L Marine Exhaust Manifold for daily purpose. Moreover, it is designed to integrate w/ ls swap applications & components hardened stainless hardware. Make sure this fits by entering your model number. Above all, the mmi lmarine exhaust manifold is used for the driver side and it is super strong.

Most customers found that the manifold includes both manifolds, left and right side, the pass. Furthermore, a few also found 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. In conclusion, many have used the manifold for more than a few months without any issues, and it shows no sign of giving up.

Top Customer Quotes:

Super strong design custom swap setup.
This is a vband flange, 2.5in in size.
*****no need to relocate the alternator like the other guys.

Best For Exhaust Manifold Gasket: Sierra L Marine Exhaust Manifold

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Sierra 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 l marine exhaust manifold is small and it is for exhaust manifolds. Make sure this fits by entering your model number. Also, the manifold works with part number and it is interchangeable with the following barr fm-1-83. Above all, the Sierra l marine exhaust manifold fits great and it is good for exhaustmanifold gasket.

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

Why We Like This:

The 1998-1 manifold is interchangeable with the following.
Interchangeable with the following: barr fm-1-83, fm183, glm 56250, mallory 9-40111, osco fl994, flcr818.
Contains: 118-2854-1 exhaust elbow gasket, 18-0183-1 exhaust manifold gasket, 18-4258 pipe plug.

Best For Stainless Steel: Dewhel L Marine 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 Dewhel L Marine Exhaust Manifold is exactly that - it's a simple manifold that hits all the right notes. Make sure this fits by entering your model number. Stainless steel exhaust manifold studs and stainless steel serrated face flange nuts. When it comes to finding a reliable manifold, the dewhel l marine exhaust manifold is definitely your first choice.

In conclusion, for most buyers, Dewhel product was just what they wanted.

Customers found that buying a 4 age exhaust flange, along with manifold is useful.

Why We Like This:

Ford 4.6 & 5.4 liter v8 stainless exhaust manifold stud kit.
Good brand reputation.