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2003 Nissan Altima

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  2. Auto Parts
  3. Exhaust
  4. Exhaust Manifolds
  5. Exhaust Manifold with Integrated Catalytic Converter
  6. Walker 16456 for 2003 Nissan Altima

Walker 16456 Exhaust Manifold with Integrated Catalytic Converter
for 2003 Nissan Altima 2.5L L4 Gas DOHC

Walker 16456 Exhaust Manifold with Integrated Catalytic Converter - 2003 Nissan Altima
Walker 16456 Exhaust Manifold with Integrated Catalytic Converter - 2003 Nissan Altima Image 1
Walker 16456 Exhaust Manifold with Integrated Catalytic Converter - 2003 Nissan Altima

Walker
Brand:Walker
Part Number: 16456
UPC: 086387164566
Weight: 14 lbs
Condition:New



On Sale:

$513.87

Availability:
8 in Stock
Warehouse: US-7
Quantity:

Product Information

Description:

Get the Walker 16456 Exhaust Manifold with Integrated Catalytic Converter for your 2003 Nissan Altima. Buy now and secure your purchase online!

Designed to comply with EPA emissions requirements while delivering premium performance with assured compliance, Walker Ultra EPA-Compliant Manifold Converters are available for import and domestic OBDII (1996 and newer) vehicles.

Features and Benefits:

  • DIRECT-FIT DESIGN -- Bolt-off, bolt-on OE-style converter with integrated manifold assemblies that attach directly to engine cylinder head and match all downstream connections

Specifications:

Body Length:
4 in.
Body Shape:
Round
California Air Resource Board (CARB) Certified:
No
California Air Resources Board (CARB) Certified:
No
Converter Body Length:
4 in.
Converter Body Material:
Stainless Steel
Converter Quantity:
1
Grade Type:
Regular
Inlet 1 Type:
5 Bolt Welded Flange
Inlet Port Shape:
Oval
Inlet Quantity:
1
Inlet Type:
5 Bolt Welded Flange
Material:
Stainless Steel
Mounting Hardware Included:
Yes
Outlet Port Shape:
Round
Outlet Quantity:
1
Outlet Type:
2 Bolt Welded Flange
Overall Length:
18.5 in.
Oxygen sensor location:
Midbed
Substrate Material:
Ceramic
AP Exhaust #:
641198
AP Exhaust #:
641519
AP Exhaust #:
751195
Bosal #:
096-1400
Bosal #:
099-1400
Eastern #:
40697
Eastern #:
40810
MagnaFlow Exhaust Products #:
49293
MagnaFlow Exhaust Products #:
50805
Country of Origin:
US

Walker 16456 Exhaust Manifold with Integrated Catalytic Converter compatibility with your 2003 Nissan Altima...

Last Updated: 12/24/2023

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

2003

 

2002

 

2003

 

2002

 
Nissan Altima

2.5L L4 Gas DOHC
1
 
Front
 
EPA
with Federal/California Emissions System
Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.
Exhaust Gasket is Recommended
Additional Part(s) Needed To Complete Installation: 31658
Additional Part(s) Needed To Complete Installation: 36454
Includes Front Gasket
Ultra Type
 

Nissan Altima



2.5L L4 Gas DOHC

Front EPA
with Federal/California Emissions System
Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.
Exhaust Gasket is Recommended
Additional Part(s) Needed To Complete Installation: 31658
Additional Part(s) Needed To Complete Installation: 36454
Includes Front Gasket
Ultra Type

1 Per Vehicle

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