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Infiniti Exhaust Manifold Reviews
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Infiniti Replacement Exhaust Manifolds

Infiniti Exhaust Manifold Excellent 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
DIY Solutions Exhaust Manifold with Integrated Catalytic Converter Set - for 2011 Infiniti QX56 - EXH00194 Click to Enlarge
Website Reviews
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Part Number: EXH00194
Brand: DIY Solutions
  • Direct Fit Replacement
  • Quality Tested - built to a strict level of product standards.
Condition: New
Included: Gasket Kit
Quantity: 2 Piece Set
Shipping Options: Free Ground Shipping
$788.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle
2011 Infiniti QX56
DIY Solutions Exhaust Manifold with Integrated Catalytic Converter Set - for 2012 Infiniti QX56 - EXH00194 Click to Enlarge
Website Reviews
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Part Number: EXH00194
Brand: DIY Solutions
  • Direct Fit Replacement
  • Quality Tested - built to a strict level of product standards.
Condition: New
Included: Gasket Kit
Quantity: 2 Piece Set
Shipping Options: Free Ground Shipping
$788.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle
2012 Infiniti QX56
Right DEC Exhaust Manifold with Integrated Catalytic Converter - for 2011 Infiniti QX56 5.6L V8 - INF4525P Click to Enlarge
Website Reviews
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Part Number: INF4525P
Brand: DEC
Notes: Vehicle Specific Loading -- Exhaust Manifold With Bank #2 Converter; E.P.A COMPLIANT
Position: Right
Condition: New
Shipping Options: Ground
5 Year / 50,000 Mile DEC Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$491.43
View Details
This Part Fits:
Catalog: B
Vehicle Engine
2011 Infiniti QX56 5.6L V8
Right DEC Exhaust Manifold with Integrated Catalytic Converter - for 2012 Infiniti QX56 - INF4525P Click to Enlarge
Website Reviews
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Part Number: INF4525P
Brand: DEC
Notes: Vehicle Specific Loading -- Exhaust Manifold With Bank #2 Converter; E.P.A COMPLIANT
Position: Right
Condition: New
Shipping Options: Ground
5 Year / 50,000 Mile DEC Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$491.43
View Details
This Part Fits:
Catalog: B
Vehicle
2012 Infiniti QX56
DIY Solutions Exhaust Manifold with Integrated Catalytic Converter Set - for 2014 Infiniti QX80 - EXH00194 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: EXH00194
Brand: DIY Solutions
  • Direct Fit Replacement
  • Quality Tested - built to a strict level of product standards.
Condition: New
Included: Gasket Kit
Quantity: 2 Piece Set
Shipping Options: Free Ground Shipping
$788.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle
2014 Infiniti QX80
Left DEC Exhaust Manifold with Integrated Catalytic Converter - for 2011 Infiniti QX56 5.6L V8 - INF4525D Click to Enlarge
Website Reviews
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Part Number: INF4525D
Brand: DEC
Notes: Vehicle Specific Loading -- Exhaust Manifold With Bank #1 Converter; E.P.A COMPLIANT
Position: Left
Condition: New
Shipping Options: Ground
5 Year / 50,000 Mile DEC Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$491.43
View Details
This Part Fits:
Catalog: B
Vehicle Engine
2011 Infiniti QX56 5.6L V8
DIY Solutions Exhaust Manifold with Integrated Catalytic Converter Set - for 2013 Infiniti QX56 - EXH00194 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: EXH00194
Brand: DIY Solutions
  • Direct Fit Replacement
  • Quality Tested - built to a strict level of product standards.
Condition: New
Included: Gasket Kit
Quantity: 2 Piece Set
Shipping Options: Free Ground Shipping
$788.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle
2013 Infiniti QX56
Left DEC Exhaust Manifold with Integrated Catalytic Converter - for 2012 Infiniti QX56 - INF4525D Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: INF4525D
Brand: DEC
Notes: Vehicle Specific Loading -- Exhaust Manifold With Bank #1 Converter; E.P.A COMPLIANT
Position: Left
Condition: New
Shipping Options: Ground
5 Year / 50,000 Mile DEC Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$491.43
View Details
This Part Fits:
Catalog: B
Vehicle
2012 Infiniti QX56
Left DEC Exhaust Manifold with Integrated Catalytic Converter - for 2003 Infiniti Q45 4.5L V8 - INF4526D Click to Enlarge
Website Reviews
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Part Number: INF4526D
Brand: DEC
Notes: Vehicle Specific Loading -- Exhaust Manifold With Bank #1 Converter; E.P.A COMPLIANT
Position: Left
Condition: New
Shipping Options: Ground
5 Year / 50,000 Mile DEC Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$477.43
View Details
This Part Fits:
Catalog: B
Vehicle Engine
2003 Infiniti Q45 4.5L V8
Left DEC Exhaust Manifold with Integrated Catalytic Converter - for 2013 Infiniti QX56 - INF4525D Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: INF4525D
Brand: DEC
Notes: Vehicle Specific Loading -- Exhaust Manifold With Bank #1 Converter; E.P.A COMPLIANT
Position: Left
Condition: New
Shipping Options: Ground
5 Year / 50,000 Mile DEC Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$491.43
View Details
This Part Fits:
Catalog: B
Vehicle
2013 Infiniti QX56
Right DIY Solutions Exhaust Manifold with Integrated Catalytic Converter - for 2011 Infiniti QX56 - EXH00518 Click to Enlarge
Website Reviews
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Part Number: EXH00518
Brand: DIY Solutions
Notes: Catalytic Converter with Integrated Exhaust Manifold -- Passenger Side
  • Direct Fit Replacement
  • Quality Tested - built to a strict level of product standards.
Position: Right
Condition: New
Included: Gasket Kit
Shipping Options: Free Ground Shipping
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$356.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle
2011 Infiniti QX56
Left Dorman Exhaust Manifold with Integrated Catalytic Converter - for 2005 Infiniti QX56 5.6L V8 - 674-844 Click to Enlarge
5 Stars
Dorman 674-844
Exhaust Manifold with Integrated Catalytic Converter
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Part Number: 674-844
Brand: Dorman
Notes: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
  • Designed to match the fit and performance of the original equipment
  • Includes gaskets and downpipe hardware to simplify installation
  • Made within strict tolerances for reliable longevity
Position: Left
Condition: New
Grade Type: Regular
Color: Natural
Package Contents: Exhaust Manifold; Gaskets and Hardware
Shipping Options: Ground
Lifetime Dorman Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$569.43
(11) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2005 Infiniti QX56 5.6L V8
Right DEC Exhaust Manifold with Integrated Catalytic Converter - for 2003 Infiniti FX45 4.5L V8 - INF4523P Click to Enlarge
5 Stars
DEC INF4523P
Exhaust Manifold with Integrated Catalytic Converter
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Part Number: INF4523P
Brand: DEC
Notes: Vehicle Specific Loading -- Exhaust Manifold With Bank #2 Converter; E.P.A COMPLIANT
Position: Right
Condition: New
Shipping Options: Ground
5 Year / 50,000 Mile DEC Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$381.43
View Details
This Part Fits:
Catalog: B
Vehicle Engine
2003 Infiniti FX45 4.5L V8
Left DIY Solutions Exhaust Manifold with Integrated Catalytic Converter - for 2011 Infiniti QX56 - EXH00517 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: EXH00517
Brand: DIY Solutions
Notes: Catalytic Converter with Integrated Exhaust Manifold -- Driver Side
  • Direct Fit Replacement
  • Quality Tested - built to a strict level of product standards.
Position: Left
Condition: New
Included: Gasket Kit
Shipping Options: Free Ground Shipping
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$340.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle
2011 Infiniti QX56
Right Dorman Exhaust Manifold with Integrated Catalytic Converter - for 2011 Infiniti QX56 5.6L V8 - 674-301 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 674-301
Brand: Dorman
Notes: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
  • Designed to match the fit and performance of the original equipment
  • Includes gaskets and downpipe hardware to simplify installation
  • Made within strict tolerances for reliable longevity
Position: Right
Condition: New
Color: Natural
Grade Type: Regular
Package Contents: Exhaust Manifold; 2 Gaskets; 2 Studs; 2 Nuts; 4 Heatshield Bolts
Shipping Options: Ground
Lifetime Dorman Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$548.43
(7) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2011 Infiniti QX56 5.6L V8
Right Dorman Exhaust Manifold with Integrated Catalytic Converter - for 2021 Infiniti QX80 5.6L V8 - 674-090 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 674-090
Brand: Dorman
Notes: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
  • Designed to match the fit and performance of the original equipment
  • Includes gaskets and downpipe hardware to simplify installation
  • Made within strict tolerances for reliable longevity
Position: Right
Condition: New
Grade Type: Regular
Package Contents: 1 Exhaust Manifold; 1 Inlet Gasket; 1 Outlet Gasket; 2 Studs; 2 Nuts; 4 Bolts; 4 Washers
Color: Natural
Shipping Options: Ground
Lifetime Dorman Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$366.98
(5) In Stock
This Part Fits:
Catalog: F
Vehicle Engine
2021 Infiniti QX80 5.6L V8
Right Genuine Exhaust Manifold - for 2008 Infiniti G35 - W0133-2190799 Click to Enlarge
Website Reviews
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Part Number: W0133-2190799
Brand: Genuine
Detailed Notes: Manifold gasket (inlet) and exhaust flange gasket (outlet) are serviced separately on the OE Service manifold.
Position: Right
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$420.53
Our Price: $356.58
(2) In Stock
This Part Fits:
Catalog: A
Vehicle
2008 Infiniti G35
Right Dorman Exhaust Manifold - for 2000 Infiniti QX4 - 674-432 Click to Enlarge
5 Stars
Dorman 674-432
Exhaust Manifold
Loading Reviews...
Part Number: 674-432
Brand: Dorman
Notes: Exhaust Manifold
  • Precision-engineered and durably manufactured to match the fit and function of the stock manifold
  • Durable materials resist warping, cracking and leaking for long-lasting performance
  • Includes all necessary gaskets and downpipe hardware
Position: Right
Condition: New
Package Contents: Exhaust Manifold; 1 Manifold Gasket; 1 Output Gasket; 1 Flange Gasket; 6 Studs; 6 Nuts
Grade Type: Regular
Color: Natural
Shipping Options: Ground
$69.08
View Details
This Part Fits:
Catalog: H
Vehicle
2000 Infiniti QX4
Rear Dorman Exhaust Manifold - for 2004 Infiniti I35 - 674-935 Click to Enlarge
4.5 Stars
Dorman 674-935
Exhaust Manifold
Loading Reviews...
Part Number: 674-935
Brand: Dorman
Notes: Exhaust Manifold
  • Precision-engineered and durably manufactured to match the fit and function of the stock manifold
  • Durable materials resist warping, cracking and leaking for long-lasting performance
  • Includes all necessary gaskets and downpipe hardware
Position: Rear
Condition: New
Grade Type: Regular
Color: Natural
Package Contents: Exhaust Manifold; 1 Manifold Gasket and 1 Flange; 2 Studs; 2 Nuts; 3 Bolts
Shipping Options: Ground
$224.98
(4) In Stock
This Part Fits:
Catalog: C
Vehicle
2004 Infiniti I35
Left Dorman Exhaust Manifold with Integrated Catalytic Converter - for 2010 Infiniti QX56 5.6L V8 - 674-844 Click to Enlarge
5 Stars
Dorman 674-844
Exhaust Manifold with Integrated Catalytic Converter
Loading Reviews...
Part Number: 674-844
Brand: Dorman
Notes: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
  • Designed to match the fit and performance of the original equipment
  • Includes gaskets and downpipe hardware to simplify installation
  • Made within strict tolerances for reliable longevity
Position: Left
Condition: New
Grade Type: Regular
Color: Natural
Package Contents: Exhaust Manifold; Gaskets and Hardware
Shipping Options: Ground
Lifetime Dorman Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$468.98
(26) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2010 Infiniti QX56 5.6L V8
Left Dorman Exhaust Manifold with Integrated Catalytic Converter - for 2015 Infiniti QX80 5.6L V8 - 674-299 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 674-299
Brand: Dorman
Notes: Catalytic Converter with Integrated Exhaust Manifold -- CARB Compliant: No
  • Designed to match the fit and performance of the original equipment
  • Includes gaskets and downpipe hardware to simplify installation
  • Made within strict tolerances for reliable longevity
Position: Left
Condition: New
Color: Natural
Package Contents: Exhaust Manifold; Gaskets and Hardware
Grade Type: Regular
Shipping Options: Ground
Lifetime Dorman Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$661.98
View Details
This Part Fits:
Catalog: N
Vehicle Engine
2015 Infiniti QX80 5.6L V8

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Some of our Customer Reviews
4 of 5
Verified Customer
3/15/14 10:27 PM - USA

Great product!!!

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

- 1998 Infiniti Q45 Exhaust Manifold
5 of 5
Verified Customer
1/29/15 01:05 PM - USA

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

- 2007 Infiniti QX56 Exhaust Manifold with Integrated Catalytic Converter