Flowtech EO Legal Headers, 91836-1FLT
In stock
$767.99
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
JBA Performance 1842S-9Js 1 1/2" Header Shorty Stainless Steel 03-12 Gm Truck 4.3L V-6 Silver Ceramic
In stock
$882.99
Listed as compatible with this vehicle by the retailer feed.
Check price
JBA Performance 1850S-3Js 1 5/8" Header Shorty Stainless Steel 03-06 Gm Truck/Hummer 6.0L Silver Ceramic
In stock
$896.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Walker CalCat CARB Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID), 81724
In stock
$936.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Flowmaster Inc. Catalytic Converter - Direct Fit - 2.50 In. Inlet 3.00 In. Outlet - 49 State, 2010019
In stock
$949.99
Listed as compatible with this vehicle by the retailer feed.
Check price
MagnaFlow Street Series Cat-Back Performance Exhaust System, 15778
In stock
$965.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Walker CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID), 81713
In stock
$976.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Walker CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID), 81723
In stock
$983.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Walker CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID), 81923
In stock
$1,021.00
Listed as compatible with this vehicle by the retailer feed.
Check price
Walker CalCat CARB Direct Fit Catalytic Converter 2.99" Outlet (OD), 83482
In stock
$2,334.00
Listed as compatible with this vehicle by the retailer feed.
Check price
MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 4451419
In stock
$2,399.00
Listed as compatible with this vehicle by the retailer feed.
Check price
Walker CalCat CARB Direct Fit Catalytic Converter 3.25" Inlet (ID), 81761
In stock
$3,081.00
Listed as compatible with this vehicle by the retailer feed.
Check price
MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 4551419
In stock
$3,526.00
Listed as compatible with this vehicle by the retailer feed.
Check price
GM Genuine Parts Exhaust Manifold Gasket, 12617944
In stock
$19.99
Listed as compatible with this vehicle by the retailer feed.
Check price
MAHLE Original Exhaust Manifold Gasket Set, MS16124
Out of stock
$36.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Dynomax Exhaust Pipe Spout 3 Inch Inlet ID 4 Inch Outlet OD, 36474
Out of stock
$66.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Felpro Exhaust Manifold Gasket Set Bolts Included, MSB 92467
Out of stock
$81.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Dynomax Super Turbo Exhaust Muffler 3 Inch Inlet ID 2.5 Inch Outlet ID, 17674
Out of stock
$98.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Dynomax Exhaust Pipe 4 Inch Inlet ID 3 Inch Outlet OD, 55512
Out of stock
$155.99
Listed as compatible with this vehicle by the retailer feed.
Check price
BRExhaust Direct-Fit Exhaust System Kit, 116-0509
Out of stock
$421.99
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.