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During operation, an internal combustion engine produces a lot of exhaust gases. These gases stem from the ignition of the fuel/air mixture in the cylinders. In order for an engine to run efficiently, and make the most power possible, these gases need to be removed from the cylinder as quickly as possible, and ejected from the engine and out the vehicle’s exhaust system. An exhaust manifold is a component which is connected to the cylinder head and which is responsible for gathering up exhaust gases and routing them to the exhaust pipe. Each cylinder has a tube which collects gas when the exhaust valve is opened, and these tubes join together at the base of the manifold. Since the gas being released by the exhaust valve is under pressure, it creates what is called the exhaust pulse. Essentially, the low pressure towards the rear of the exhaust system works to pull the high pressure gas out of the cylinder, which allows for fresh oxygen to enter more quickly. This results in more power being produced. Exhaust manifolds are designed in a manner that increases the flow of gases out of the cylinders by carefully manipulating this pressure differential. Exhaust headers are a type of manifold which attempts to create an even greater exhaust gas velocity by varying the length of the manifold tubes. By fine-tuning the diameter and size of each tube, and reducing gas expansion, the headers can pull a larger volume of gas by creating a more effective exhaust pulse.

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The Following brands are available based on your search.

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Best Selling Genuine Replacement Exhaust Manifolds

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  • We stock Discount Exhaust Manifold OEM Parts

We stock Exhaust Manifold parts for most makes, including Acura, BMW, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Eagle, Ford, Freightliner, GMC, Geo, Honda, Hummer, Hyundai, Infiniti, International, Isuzu, Jeep, Kenworth, Kia, Lexus, Lincoln, Mack, Mazda, Mercedes Benz, Mercury, Mitsubishi, Nissan, Oldsmobile, Plymouth, Pontiac, Ram, Saab, Saturn, Scion, Sterling Truck, Suzuki, Toyota, Volkswagen, Volvo, Western Star.


Dorman
2002 Pontiac Grand Am Exhaust Manifold 4 Cyl 2.2L Dorman

P311-0A6147A    674-870  New

101469 , 90537679 , SK674870

Qty:
In Stock & Ready to Ship
$185.95
Dorman Exhaust Manifold
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2002 - Pontiac Grand Am L 4 Cyl 2.2L 134 2198
Dorman
2007 Saturn Ion Exhaust Manifold 4 Cyl 2.2L Dorman

P311-0A6147A    674-870  New

Qty:
In Stock & Ready to Ship
$185.95
Dorman Exhaust Manifold
  • ; wo/California Emissions
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2007 - Saturn Ion L 4 Cyl 2.2L 134 2198
Dorman
2006 Chevrolet Cobalt Exhaust Manifold 4 Cyl 2.2L Dorman

P311-0A6147A    674-870  New

Qty:
In Stock & Ready to Ship
$185.95
Dorman Exhaust Manifold
  • ; wo/Super Ultra Low Emissions Vehicle (SULEV)
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2006 - Chevrolet Cobalt L 4 Cyl 2.2L 134 2198
Dorman
2004 Chevrolet Silverado 2500 Exhaust Manifold Dorman

P311-2F91815    W0133-1866522  New

Qty:
In Stock & Ready to Ship
$142.14
Dorman Exhaust Manifold
Brand: Dorman
Additional Fitment Information:
Vehicle Body
2004 - Chevrolet Silverado 2500 Crew Cab Pickup
Dorman
2004 Chevrolet Silverado 2500 Exhaust Manifold Dorman

P311-3F45A04    W0133-1866523  New

Qty:
In Stock & Ready to Ship
$192.28
Dorman Exhaust Manifold
Brand: Dorman
Additional Fitment Information:
Vehicle Body Drive Type
2004 - Chevrolet Silverado 2500 Extended Cab Pickup 4WD
Dorman
2011 Lincoln Navigator Exhaust Manifold Dorman

P311-22419F0    W0133-2019911  New

Qty:
In Stock & Ready to Ship
$160.58
Dorman Exhaust Manifold
Brand: Dorman
Additional Fitment Information:
Vehicle
2011 - Lincoln Navigator
Dorman
2001 GMC Yukon XL 1500 Exhaust Manifold Dorman

P311-2F91815    W0133-1866522  New

Qty:
In Stock & Ready to Ship
$142.14
Dorman Exhaust Manifold
  • Federal -Tier 1 Emissions
Brand: Dorman
Additional Fitment Information:
Vehicle
2001 - GMC Yukon XL 1500
Dorman
2001 GMC Sierra 1500 Exhaust Manifold 8 Cyl 5.3L Dorman

P311-2F91815    W0133-1866522  New

Qty:
In Stock & Ready to Ship
$142.14
Dorman Exhaust Manifold
  • Exc.Air Pump
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2001 - GMC Sierra 1500 V 8 Cyl 5.3L 325 5328
Dorman
2001 GMC Sierra 2500 Exhaust Manifold Dorman

P311-2F91815    W0133-1866522  New

Qty:
In Stock & Ready to Ship
$142.14
Dorman Exhaust Manifold
  • Exc.CalifExc.LEV Spec
Brand: Dorman
Additional Fitment Information:
Vehicle
2001 - GMC Sierra 2500
Dorman
2000 GMC Yukon Exhaust Manifold 8 Cyl 5.3L Dorman

P311-2F91815    W0133-1866522  New

Qty:
In Stock & Ready to Ship
$142.14
Dorman Exhaust Manifold
  • Except Electric Air Injection Reactor System
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2000 - GMC Yukon V 8 Cyl 5.3L 325 5328
Dorman
2009 Chevrolet Silverado 3500 HD Exhaust Manifold 8 Cyl 6.0L Dorman

P311-2F91815    W0133-1866522  New

Qty:
In Stock & Ready to Ship
$142.14
Dorman Exhaust Manifold
  • [Gmb208][Pos.1]
Brand: Dorman
Additional Fitment Information:
Vehicle Submodel Body Wheel FeedBase Block Engine CID CC
2009 - Chevrolet Silverado 3500 HD LT Crew Cab Pickup 167.0 V 8 Cyl 6.0L 364 5967
Dorman
2009 Chevrolet Express 2500 Exhaust Manifold 8 Cyl 6.0L Dorman

P311-2F91815    W0133-1866522  New

Qty:
In Stock & Ready to Ship
$142.14
Dorman Exhaust Manifold
  • [Gmb140][Pos.1]
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2009 - Chevrolet Express 2500 V 8 Cyl 6.0L 364 5967
Dorman
2010 Chevrolet Express 3500 Exhaust Manifold 8 Cyl 4.8L Dorman

P311-2F91815    W0133-1866522  New

Qty:
In Stock & Ready to Ship
$142.14
Dorman Exhaust Manifold
  • [Gmb145][Pos.1]
Brand: Dorman
Additional Fitment Information:
Vehicle Wheel FeedBase Block Engine CID CC
2010 - Chevrolet Express 3500 135.0 V 8 Cyl 4.8L 294 -
Dorman
2010 Lincoln Navigator Exhaust Manifold Dorman

P311-22419F0    W0133-2019911  New

Qty:
In Stock & Ready to Ship
$160.58
Dorman Exhaust Manifold
  • [Fmt232][Pos.1]
Brand: Dorman
Additional Fitment Information:
Vehicle
2010 - Lincoln Navigator
Dorman
2009 Ford F-350 Super Duty Exhaust Manifold 8 Cyl 5.4L Dorman

P311-22419F0    W0133-2019911  New

Qty:
In Stock & Ready to Ship
$160.58
Dorman Exhaust Manifold
  • Exc.Wide Body, From 10/20/08, [Fmt149a][Pos.15]
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2009 - Ford F-350 Super Duty V 8 Cyl 5.4L 330 -
Dorman
2009 Ford F-350 Super Duty Exhaust Manifold 8 Cyl 5.4L Dorman

P311-22419F0    W0133-2019911  New

Qty:
In Stock & Ready to Ship
$160.58
Dorman Exhaust Manifold
  • Wide Body, From 10/20/08, [Fmt149b][Pos.15]
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2009 - Ford F-350 Super Duty V 8 Cyl 5.4L 330 -
Dorman
2010 Ford F-350 Super Duty Exhaust Manifold 8 Cyl 5.4L Dorman

P311-22419F0    W0133-2019911  New

Qty:
In Stock & Ready to Ship
$160.58
Dorman Exhaust Manifold
  • Exc.Wide Body, [Fmt149a][Pos.15]
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2010 - Ford F-350 Super Duty V 8 Cyl 5.4L 330 -
Dorman
2010 Ford F-350 Super Duty Exhaust Manifold 8 Cyl 5.4L Dorman

P311-22419F0    W0133-2019911  New

Qty:
In Stock & Ready to Ship
$160.58
Dorman Exhaust Manifold
  • Wide Body, [Fmt149b][Pos.15]
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2010 - Ford F-350 Super Duty V 8 Cyl 5.4L 330 -
Dorman
2009 Ford F-150 Exhaust Manifold 8 Cyl 5.4L Dorman

P311-22419F0    W0133-2019911  New

Qty:
In Stock & Ready to Ship
$160.58
Dorman Exhaust Manifold
  • From 10/20/08, [FMT0035][2]
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2009 - Ford F-150 V 8 Cyl 5.4L 330 -
Dorman
2010 Ford F-150 Exhaust Manifold 8 Cyl 4.6L Dorman

P311-22419F0    W0133-2019911  New

Qty:
In Stock & Ready to Ship
$160.58
Dorman Exhaust Manifold
  • [FMT0035][2]
Brand: Dorman
Additional Fitment Information:
Vehicle Submodel Block Engine CID CC
2010 - Ford F-150 FX2 V 8 Cyl 4.6L 281 -