Walker SoundFX Direct Fit Exhaust Muffler 2" Inlet (ID) 2" Outlet (OD), 18933
In stock
$107.99
Listed as compatible with this vehicle by the retailer feed.
Check price2004 Nissan Altima Exhaust Systems
58 products listed as compatible with this vehicle by the retailer feed.
Back to 2004 Nissan Altima parts
Walker Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2" Inlet (ID) 2" Outlet (OD), 53370
In stock
$155.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Direct Fit Exhaust Resonator and Pipe Assembly 2" Outlet (OD), 49246
In stock
$185.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID), 93203
In stock
$194.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Direct Fit Exhaust Manifold: with Heat Shield, 674-935
In stock
$308.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 444105
In stock
$356.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 93287
In stock
$376.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 49523
In stock
$378.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 39.000 IN, 54360
In stock
$381.99
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID), 84407
In stock
$382.99
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID), 83217
In stock
$391.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Direct Fit Exhaust Manifold: with Heat Shield, 674-934
In stock
$404.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 5571205
In stock
$446.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-487
In stock
$449.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 49325
In stock
$457.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 49568
In stock
$472.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Manifold Converter - Not CARB Compliant - Not For Sale - NY - CA - ME, 674-659
In stock
$541.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 50809
In stock
$588.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-507
In stock
$601.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 52652
In stock
$636.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 37.125 IN, 54478
In stock
$639.99
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Direct Fit Catalytic Converter with Integrated Exhaust Manifold, 83397
In stock
$881.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Manifold Converter - CARB Compliant - For Legal Sale In NY - CA - ME, 673-9591
In stock
$921.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 5571523
In stock
$942.99
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.