Remflex Flexible Graphite, Set Of 2, 2008
In stock
$39.99
Listed as compatible with this vehicle by the retailer feed.
Check price2001 GMC Sierra 1500HD Exhaust Systems
9 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Back to 2001 GMC Sierra 1500HD parts
Dorman Direct Fit Exhaust Manifold: with Heat Shield, 674-525
In stock
$113.99
Listed as compatible with this vehicle by the retailer feed.
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Dynomax Super Turbo Exhaust Muffler 3 Inch Inlet ID 3 Inch Outlet ID, 17673
In stock
$289.99
Listed as compatible with this vehicle by the retailer feed.
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Flowtech EO Legal Headers, 91835FLT
In stock
$478.99
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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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 24148
In stock
$556.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 49668
In stock
$679.99
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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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 447283
Out of stock
$1,254.00
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.