Walker CalCat CARB Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID), 83404
In stock
$537.99
Listed as compatible with this vehicle by the retailer feed.
Check price2003 Chevrolet Silverado 1500 Exhaust Systems
116 products listed as compatible with this vehicle by the retailer feed.
Back to 2003 Chevrolet Silverado 1500 parts
Flowtech Shorty Headers - Black Painted, 11142FLT
In stock
$559.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 447109
In stock
$571.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 93601
In stock
$571.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51878
In stock
$591.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 445006
In stock
$603.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 445005
In stock
$603.99
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), 83403
In stock
$613.99
Listed as compatible with this vehicle by the retailer feed.
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Dynomax Super Turbo Exhaust System Kit 3 Inch Flanged Intermediate Pipe, 3 Inch Tail Pipe w/ Stainless Steel Spout & Clamps, 19305
In stock
$613.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 38.500 IN, 54423
In stock
$613.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 93602
In stock
$621.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter 2.5" Outlet (OD), 16166
In stock
$629.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 455005
In stock
$634.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 455009
In stock
$634.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter 3.625" Inlet (ID), 50511
In stock
$644.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 93419
In stock
$649.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter 3.625" Inlet (ID), 50462
In stock
$652.99
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), 83508
In stock
$661.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51097
In stock
$683.99
Listed as compatible with this vehicle by the retailer feed.
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Flowtech Shorty Headers - Ceramic Coated, 31142FLT
In stock
$699.99
Listed as compatible with this vehicle by the retailer feed.
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Flowtech EO Legal Headers, 91843-1FLT
In stock
$710.99
Listed as compatible with this vehicle by the retailer feed.
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JBA Performance 1850S-3 1 5/8" Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L
In stock
$718.99
Listed as compatible with this vehicle by the retailer feed.
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Flowmaster Inc. Cat-Back System - Dual Same Side Exit - American Thunder - Aggressive Sound, 17392
In stock
$749.99
Listed as compatible with this vehicle by the retailer feed.
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JBA Performance 1842S-9 1 1/2" Header Shorty Stainless Steel 03-12 GM Truck 4.3L V-6
In stock
$752.99
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.