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Get the Best Priced Infiniti Exhaust Manifold

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Infiniti Replacement Exhaust Manifolds


Infiniti Exhaust ManifoldExcellent capability and high performance are dependent on top-notch parts and accessories. When you selected your Infiniti, you invested in a vehicle with great performance and notable style; you want to protect your decision by using only the most top-notch parts and accessories. The sleek appearance and reliable performance of the Infiniti make every trip more enjoyable. An Infiniti Exhaust Manifold gathers gases from the motor and expels them through the exhaust pipe. Carefully tuned Infiniti Exhaust Manifolds increase a vehicle's engine power by decreasing back pressure and boosting volumetric efficiency. High-end headers make use of primary tubes tuned by length and are tuned to the engine's resonant frequency to improve exhaust velocity, boosting engine muscle. If you treasure your vehicle, make sure to insist on high performance grade parts to maintain it. Trust our live automotive technology professionals to assist you when you make a purchase of quality aftermarket replacement automotive parts so you receive exactly what you ordered each and every time you shop at our web store. When you need the very best deals on great auto parts at outstanding prices, point your browser at www.partsgeek.com.


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Review Fitment Notes to Ensure Proper Fit
DEC Logo DEC Exhaust Manifold with Integrated Catalytic Converter INF4525P
Click to Enlarge
(Read reviews)
Our List Price: $353.43

Product SKU: INF4525P
Product Note: Vehicle Specific Loading -- Exhaust Manifold With Bank #2 Converter; E.P.A COMPLIANT
Position of Product: Right
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile DEC Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2011 (11) Infiniti QX56 5.6L V8 

DEC Logo DEC Exhaust Manifold with Integrated Catalytic Converter INF4525P
Click to Enlarge
(Read reviews)
Our List Price: $353.43

Product SKU: INF4525P
Product Note: Vehicle Specific Loading -- Exhaust Manifold With Bank #2 Converter; E.P.A COMPLIANT
Position of Product: Right
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile DEC Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2012 (12) Infiniti QX56 5.6L V8 

DEC Logo DEC Exhaust Manifold with Integrated Catalytic Converter INF4525D
Click to Enlarge
(Read reviews)
Our List Price: $378.43
(1) In Stock
Product SKU: INF4525D
Product Note: Vehicle Specific Loading -- Exhaust Manifold With Bank #1 Converter; E.P.A COMPLIANT
Position of Product: Left
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile DEC Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2011 (11) Infiniti QX56 5.6L V8 

DEC Logo DEC Exhaust Manifold with Integrated Catalytic Converter INF4525D
Click to Enlarge
(Read reviews)
Our List Price: $378.43
(1) In Stock
Product SKU: INF4525D
Product Note: Vehicle Specific Loading -- Exhaust Manifold With Bank #1 Converter; E.P.A COMPLIANT
Position of Product: Left
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile DEC Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2012 (12) Infiniti QX56 5.6L V8 

DEC Logo DEC Exhaust Manifold with Integrated Catalytic Converter INF4525D
Click to Enlarge
(Read reviews)
Our List Price: $378.43
(1) In Stock
Product SKU: INF4525D
Product Note: Vehicle Specific Loading -- Exhaust Manifold With Bank #1 Converter; E.P.A COMPLIANT
Position of Product: Left
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile DEC Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2013 (13) Infiniti QX56 5.6L V8 

Dorman Logo Dorman Exhaust Manifold with Integrated Catalytic Converter 674-844
Click to Enlarge
(1 Reviews)
5 Stars
Dorman 674-844
Exhaust Manifold with Integrated Catalytic Converter
Close
Loading Reviews...
Our List Price: $413.43
(16) In Stock
Product SKU: 674-844
Product Note: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
CARB Compliant No
Color/Finish Natural
Package Contents Exhaust Manifold, Gaskets and Hardware
Features:
  • Includes heat-shield for protection of hoses, wiring, and other engine components (where applicable)
  • Cast iron or stainless tubular construction protects against warping and/or cracking
  • Leak-resistant for long-lasting performance
  • A rigorous quality inspection has been undertaken to ensure that this part conforms to product standards
Position of Product: Left
Condition: New

Shipping Options:
Ground

Lifetime Dorman Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2005 (05) Infiniti QX56 5.6L V8 

DEC Logo DEC Exhaust Manifold with Integrated Catalytic Converter INF4523P
Click to Enlarge
(1 Reviews)
5 Stars
DEC INF4523P
Exhaust Manifold with Integrated Catalytic Converter
Close
Loading Reviews...
Our List Price: $273.43

Product SKU: INF4523P
Product Note: Vehicle Specific Loading -- Exhaust Manifold With Bank #2 Converter; E.P.A COMPLIANT
Position of Product: Right
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile DEC Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2003 (03) Infiniti FX45 4.5L V8 

DEC Logo DEC Exhaust Manifold with Integrated Catalytic Converter INF4523P
Click to Enlarge
(1 Reviews)
5 Stars
DEC INF4523P
Exhaust Manifold with Integrated Catalytic Converter
Close
Loading Reviews...
Our List Price: $273.43

Product SKU: INF4523P
Product Note: Vehicle Specific Loading -- Exhaust Manifold With Bank #2 Converter; E.P.A COMPLIANT
Position of Product: Right
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile DEC Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2008 (08) Infiniti M45 4.5L V8 

DEC Logo DEC Exhaust Manifold with Integrated Catalytic Converter INF4523P
Click to Enlarge
(1 Reviews)
5 Stars
DEC INF4523P
Exhaust Manifold with Integrated Catalytic Converter
Close
Loading Reviews...
Our List Price: $273.43

Product SKU: INF4523P
Product Note: Vehicle Specific Loading -- Exhaust Manifold With Bank #2 Converter; E.P.A COMPLIANT
Position of Product: Right
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile DEC Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2006 (06) Infiniti M45 4.5L V8 

DEC Logo DEC Exhaust Manifold with Integrated Catalytic Converter INF4523D
Click to Enlarge
(Read reviews)
Our List Price: $463.43

Product SKU: INF4523D
Product Note: Vehicle Specific Loading -- Exhaust Manifold With Bank #1 Converter; E.P.A COMPLIANT
Position of Product: Left
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile DEC Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2003 (03) Infiniti FX45 4.5L V8 

DEC Logo DEC Exhaust Manifold with Integrated Catalytic Converter INF4525P
Click to Enlarge
(Read reviews)
Our List Price: $353.43

Product SKU: INF4525P
Product Note: Vehicle Specific Loading -- Exhaust Manifold With Bank #2 Converter; E.P.A COMPLIANT
Position of Product: Right
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile DEC Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2013 (13) Infiniti QX56 5.6L V8 

Dorman Logo Dorman Exhaust Manifold with Integrated Catalytic Converter 674-844
Click to Enlarge
(1 Reviews)
5 Stars
Dorman 674-844
Exhaust Manifold with Integrated Catalytic Converter
Close
Loading Reviews...
Our List Price: $413.43
(16) In Stock
Product SKU: 674-844
Product Note: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
CARB Compliant No
Color/Finish Natural
Package Contents Exhaust Manifold, Gaskets and Hardware
Features:
  • Includes heat-shield for protection of hoses, wiring, and other engine components (where applicable)
  • Cast iron or stainless tubular construction protects against warping and/or cracking
  • Leak-resistant for long-lasting performance
  • A rigorous quality inspection has been undertaken to ensure that this part conforms to product standards
Position of Product: Left
Condition: New

Shipping Options:
Ground

Lifetime Dorman Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2004 (04) Infiniti QX56 5.6L V8 

Dorman Logo Dorman Exhaust Manifold with Integrated Catalytic Converter 674-843
Click to Enlarge
(1 Reviews)
5 Stars
Dorman 674-843
Exhaust Manifold with Integrated Catalytic Converter
Close
Loading Reviews...
Our List Price: $413.43
(14) In Stock
Product SKU: 674-843
Product Note: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
CARB Compliant No
Color/Finish Natural
Package Contents Exhaust Manifold, Gaskets and Hardware
Features:
  • Includes heat-shield for protection of hoses, wiring, and other engine components (where applicable)
  • Cast iron or stainless tubular construction protects against warping and/or cracking
  • Leak-resistant for long-lasting performance
  • A rigorous quality inspection has been undertaken to ensure that this part conforms to product standards
Position of Product: Right
Condition: New

Shipping Options:
Ground

Lifetime Dorman Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2005 (05) Infiniti QX56 5.6L V8 

Dorman Logo Dorman Exhaust Manifold with Integrated Catalytic Converter 674-843
Click to Enlarge
(1 Reviews)
5 Stars
Dorman 674-843
Exhaust Manifold with Integrated Catalytic Converter
Close
Loading Reviews...
Our List Price: $413.43
(14) In Stock
Product SKU: 674-843
Product Note: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
CARB Compliant No
Color/Finish Natural
Package Contents Exhaust Manifold, Gaskets and Hardware
Features:
  • Includes heat-shield for protection of hoses, wiring, and other engine components (where applicable)
  • Cast iron or stainless tubular construction protects against warping and/or cracking
  • Leak-resistant for long-lasting performance
  • A rigorous quality inspection has been undertaken to ensure that this part conforms to product standards
Position of Product: Right
Condition: New

Shipping Options:
Ground

Lifetime Dorman Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2006 (06) Infiniti QX56 5.6L V8 

Dorman Logo Dorman Exhaust Manifold with Integrated Catalytic Converter 674-844
Click to Enlarge
(1 Reviews)
5 Stars
Dorman 674-844
Exhaust Manifold with Integrated Catalytic Converter
Close
Loading Reviews...
Our List Price: $413.43
(16) In Stock
Product SKU: 674-844
Product Note: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
CARB Compliant No
Color/Finish Natural
Package Contents Exhaust Manifold, Gaskets and Hardware
Features:
  • Includes heat-shield for protection of hoses, wiring, and other engine components (where applicable)
  • Cast iron or stainless tubular construction protects against warping and/or cracking
  • Leak-resistant for long-lasting performance
  • A rigorous quality inspection has been undertaken to ensure that this part conforms to product standards
Position of Product: Left
Condition: New

Shipping Options:
Ground

Lifetime Dorman Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: B
Vehicle Engine
2007 (07) Infiniti QX56 5.6L V8 

Magnaflow Logo
Magnaflow Exhaust Manifold with Integrated Catalytic Converter 50380
Click to Enlarge
(Read reviews)
Our List Price: $781.91
with FREE Shipping
(1) In Stock
Product SKU: 50380
Product Note: Exhaust Manifold with Integrated Catalytic Converter HM Grade Federal (Exc. CA)
Position of Product: Left
Condition: New

Shipping Options:
Free Ground Shipping

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: F
Vehicle Engine
2010 (10) Infiniti QX56 5.6L V8 

Genuine Logo Genuine Exhaust Manifold W0133-2190799
Click to Enlarge
(Read reviews)
Product List Price:
$299.60
Our List Price: $250.58
(7) In Stock
Product SKU: W0133-2190799
Detailed Note: Manifold gasket (inlet) and exhaust flange gasket (outlet) are serviced separately on the OE Service manifold.
Position of Product: Right
Condition: New

Made By: OEM
(Original Equipment Manufacturer) - a replacement part made by the manufacturer of the original part.

Shipping Options:
Ground, Overnight, 2 Day
Fitment Information: Catalog: A
Vehicle
2012 (12) Infiniti EX35

Dorman Logo Dorman Exhaust Manifold with Integrated Catalytic Converter 673-844
Click to Enlarge
(Read reviews)
Our List Price: $477.08
with FREE Shipping
(1) In Stock
Product SKU: 673-844
Product Note: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: Yes
Position of Product: Left
Condition: New

Shipping Options:
Free Ground Shipping

Lifetime Dorman Limited Warranty

*** Legal in California, New York, and Maine ***
Fitment Information: Catalog: H
Vehicle Engine
2010 (10) Infiniti QX56 5.6L V8 

Dorman Logo
Dorman Exhaust Manifold with Integrated Catalytic Converter 674-844
Click to Enlarge
(1 Reviews)
5 Stars
Dorman 674-844
Exhaust Manifold with Integrated Catalytic Converter
Close
Loading Reviews...
Our List Price: $387.98
with FREE Shipping
(4) In Stock
Product SKU: 674-844
Product Note: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
CARB Compliant No
Color/Finish Natural
Package Contents Exhaust Manifold, Gaskets and Hardware
Features:
  • Includes heat-shield for protection of hoses, wiring, and other engine components (where applicable)
  • Cast iron or stainless tubular construction protects against warping and/or cracking
  • Leak-resistant for long-lasting performance
  • A rigorous quality inspection has been undertaken to ensure that this part conforms to product standards
Position of Product: Left
Condition: New

Shipping Options:
Free Ground Shipping

Lifetime Dorman Limited Warranty

{We currently do not ship this catalytic converter to California, New York, or Maine}
Fitment Information: Catalog: C
Vehicle Engine
2010 (10) Infiniti QX56 5.6L V8 

API Logo
API Exhaust Manifold 2109-259534
Click to Enlarge
(Read reviews)
Our List Price: $98.98

Product SKU: 2109-259534
Product Note: Exhaust Manifold -- Fed
Position of Product: Left
Condition: New

Shipping Options:
Ground
Fitment Information: Catalog: P
Vehicle Engine
2000 (00) Infiniti QX4 3.3L V6 

DIY Solutions Logo
DIY Solutions Exhaust Manifold with Integrated Catalytic Converter Set EXH00194
Click to Enlarge
(Read reviews)
Our List Price: $800.95
with FREE Shipping

Product SKU: EXH00194
Included Gasket Kit
Quantity 2 Piece Set
Features:
  • Direct Fit Replacement
Condition: New

Shipping Options:
Free Ground Shipping
Fitment Information: Catalog: Q
Vehicle
2013 (13) Infiniti QX56


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Some of our Customer Reviews
Somewhat Satisfied
Reviewer: Teo Chavdarov

Great product!!!

I'll order from them. When you find a company that does what it says, it's foolish not to use them.

1998 Infiniti Q45 Exhaust Manifold

Very Satisfied
Reviewer: Excellent Product

Replaced both manifolds with no issues on fitment. Excellent parts.

2007 Infiniti QX56 Exhaust Manifold with Integrated Catalytic Converter


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