MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 4481433
In stock
$1,512.00
Listed as compatible with this vehicle by the retailer feed.
Check price2003 Buick Century Exhaust Systems
30 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Back to 2003 Buick Century parts
Walker Sound Solution Exhaust Muffler, 18645
Out of stock
$62.99
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), 47792
Out of stock
$169.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Direct Fit Exhaust Manifold: with Heat Shield, 674-567
Out of stock
$211.99
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.
Check price
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.