Walker Exhaust Clamp Maximum Diameter 2.250 IN, 35336
In stock
$2.99
Listed as compatible with this vehicle by the retailer feed.
Check price2018 GMC Terrain Exhaust Systems
9 products listed as compatible with this vehicle by the retailer feed.
Back to 2018 GMC Terrain parts
Walker Exhaust Pipe Flange Gasket, 31537
In stock
$5.49
Listed as compatible with this vehicle by the retailer feed.
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Walker Exhaust Pipe Flange Gasket, 31540
In stock
$5.79
Listed as compatible with this vehicle by the retailer feed.
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Felpro Exhaust Manifold Hardware Kit, ES 75120
In stock
$28.49
Listed as compatible with this vehicle by the retailer feed.
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Walker Quiet-Flow SS Direct Fit Exhaust Muffler 2.25" Inlet (OD) 2.25" Outlet (ID), 21690
In stock
$81.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Exhaust Pipe, 74023
In stock
$95.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Pre-Converter - Not CARB Compliant, 679-755
In stock
$899.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 18.730 IN, 16952
In stock
$985.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 21-421
Out of stock
$989.99
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.