Dorman 673-650 Manifold Converter - CARB Compliant 03-06 INFINITI M45 Q45
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$917.21
Select your vehicle at the top of the page to check fitment.
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
This catalytic converter with integrated exhaust manifold - a.k.a. manifold converter - is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
- Direct replacement - this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
- Convenient kit - includes gaskets and downpipe hardware to simplify installation
- Durable construction -manufactured within strict tolerances for reliable longevity
- Trustworthy value - backed by team of engineers and quality control experts in the United States
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003-2004 | INFINITI | M45 | ||
| 2003-2006 | INFINITI | Q45 |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | 673-650 |
| UPC | 194883058408 |
| Material | Stainless Steel |
| Color | Metallic Gray |
| Type | One-Piece |
| Finish | Uncoated |
| Inlet Type | Flanged |
| Outlet Type | Flanged |
| Inlet Inside Diameter | 2.5 in. |
| Body Height | 5 in. |
| Body Width | 4 in. |
| Heat Shield Attached | Yes |
| Inlet Quantity | 4 |
| Outlet Inside Diameter | 2.5 in. |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | Yes; No |
| Substrate Material | Ceramic |
| Outlet Outside Diameter | 3.5 in. |
| Clamps Included | No |
| Tube Wall Thickness | 0.222 in. |
| Universal Or Specific Fit | Specific |
| Grade Type | Standard Replacement |
| Converter Body Length | 5 in. |
| Body Shape | Round |
| Package Quantity | 1 |
| Inlet Mounting Hole Quantity | 8 |
| Gasket Or Seal Included | Yes |
| Inlet Mounting Hardware Included | No |
| Outlet Mounting Hole Quantity | 2 |
| Overall Length | 30 in. |
| Air Tube Count | 0 |
| Sensor Port Count | 2 |
| Converter Body Material | Stainless Steel |
| Outlet Gasket Included | Yes |
| Outlet Port Shape | Round |
| Inlet Port Shape | Round |
| Heat Shield Material | Aluminum |
| Oxygen Sensor Location | Pre Converter |
| Air Tube Adaptable | No |
| CARB Executive Order Number | D-798-9 |
| Mounting Hardware Included | Yes |
| Package Contents | 1 Exhaust Manifold; 1 Inlet Gasket; 1 Outlet Gasket; 2 Studs; 2 Nuts; 4 Bolts; 4 Washers |
| Country of Origin | United States |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 14002CR910 | Nissan (OE) |
|---|