Walker CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID), 84502
In stock
$1,589.00
Listed as compatible with this vehicle by the retailer feed.
Check price2004 Chevrolet Impala Exhaust Systems
57 products listed as compatible with this vehicle by the retailer feed.
Back to 2004 Chevrolet Impala parts
MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 5461532
In stock
$1,773.00
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Direct Fit Catalytic Converter Overall Length 38.325 IN, 84585
In stock
$1,929.00
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), 84513
In stock
$2,038.00
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Direct Fit Catalytic Converter 2.15" Outlet (OD), 84597
In stock
$2,194.00
Listed as compatible with this vehicle by the retailer feed.
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Dorman Direct Fit Exhaust Manifold: with Heat Shield, 674-919
Out of stock
$192.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Exhaust Manifold Crossover Pipe, 679-002
Out of stock
$253.99
Listed as compatible with this vehicle by the retailer feed.
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Walker EPA Ultra-Boxed Direct Fit Converter, 16536
Out of stock
$417.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Exhaust Manifold Crossover Pipe, 679-003
Out of stock
$450.99
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.