Walker Ultra EPA Direct Fit Catalytic Converter 2" Outlet (ID), 53857
In stock
$574.99
Listed as compatible with this vehicle by the retailer feed.
Check price2011 Chevrolet HHR Exhaust Systems
28 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Back to 2011 Chevrolet HHR parts
MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 52958
In stock
$696.99
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Direct Fit Catalytic Converter 1.98" Outlet (OD), 84229
In stock
$1,298.00
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 551197
In stock
$1,642.00
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.