aFe POWER Stainless Downpipe, 49-44034
In stock
$457.99
Listed as compatible with this vehicle by the retailer feed.
Check price2006 GMC Sierra 3500 Exhaust Systems
66 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Back to 2006 GMC Sierra 3500 parts
MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 52493
In stock
$487.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Diesel Oxidation Catalyst, 60110
In stock
$523.99
Listed as compatible with this vehicle by the retailer feed.
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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.
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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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aFe POWER High-Flow Exhaust Manifold for Improved Performance, 46-40024
In stock
$689.99
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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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 93480
In stock
$744.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Direct Fit Exhaust Manifold: with Heat Shield, 674-728
In stock
$779.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter 3" Outlet (OD), 55557
In stock
$831.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Diesel Oxidation Catalyst, 60502
In stock
$931.99
Listed as compatible with this vehicle by the retailer feed.
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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.
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Dorman Exhaust Manifold Heat Shield, 674-736HS
In stock
$92.99
Listed as compatible with this vehicle by the retailer feed.
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MAHLE Original EGR Valve Gasket, F31909
Out of stock
$2.99
Listed as compatible with this vehicle by the retailer feed.
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MAHLE Original EGR Valve Gasket, F31910
Out of stock
$7.49
Listed as compatible with this vehicle by the retailer feed.
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Felpro Exhaust Gas Recirculation (EGR) Gasket Set, ES 73503
Out of stock
$73.99
Listed as compatible with this vehicle by the retailer feed.
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MAHLE Original Exhaust Pipe Gasket, F31903
Out of stock
$9.99
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.