Mufflers for 2011 Chevrolet HHR
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![84101 - Exhaust: CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/cb6db534c28616ad320d223ecbc007ef.webp "84101 - Exhaust: CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) for Walker Exhaust")
CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID)
Walker Exhaust
84101
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Universal Catalytic Converters are...
Positions: Front
$261.32
Fits Your Vehicle
![84205 - Exhaust: CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/42d908e5a60c40e33bb98279126d5529.webp "84205 - Exhaust: CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) for Walker Exhaust")
CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID)
Walker Exhaust
84205
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Universal Catalytic Converters are...
Positions: Rear
$181.41
Fits Your Vehicle
Federal / EPA Catalytic Converter - Direct Fit
AP Exhaust
642061
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while our latest...
$304.27
Fits Your Vehicle
![56248 - : Direct Fit Exhaust Resonator and Pipe Assembly 2.25" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/3a3b189b209e256682097c90d014e50f.webp "56248 - : Direct Fit Exhaust Resonator and Pipe Assembly 2.25" Outlet (OD) for Walker Exhaust")
Direct Fit Exhaust Resonator and Pipe Assembly 2.25" Outlet (OD)
Walker Exhaust
56248
Designed to fit, perform and sound like the original system, Walker® resonators use precise tuning technologies to deliver excellent flow...
Federal / EPA Catalytic Converter - Universal OBDII Enhanced
AP Exhaust
608265
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while our latest...
$103.75
Fits Your Vehicle
![53857 - Exhaust: Ultra EPA Direct Fit Catalytic Converter 2" Outlet (ID) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/c72a4c420df5e233dd8e89899cdbef90.webp "53857 - Exhaust: Ultra EPA Direct Fit Catalytic Converter 2" Outlet (ID) for Walker Exhaust")
Ultra EPA Direct Fit Catalytic Converter 2" Outlet (ID)
Walker Exhaust
53857
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker® Ultra® Direct-Fit Catalytic...
$369.81
Fits Your Vehicle
![21686 - : Quiet-Flow SS Direct Fit Exhaust Muffler 2.25" Inlet (ID) 2" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/8ec4d2a14cc1377d42430fb00d45bd80.webp "21686 - : Quiet-Flow SS Direct Fit Exhaust Muffler 2.25" Inlet (ID) 2" Outlet (OD) for Walker Exhaust")
Quiet-Flow SS Direct Fit Exhaust Muffler 2.25" Inlet (ID) 2" Outlet (OD)
Walker Exhaust
21686
The only broad-market muffler body with 100% stainless-steel construction, Walker® Quiet-Flow® SS mufflers feature precision fit,...
$81.86
![84229 - Exhaust: CalCat CARB Direct Fit Catalytic Converter 1.98" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/a8e2bddb7d705bb02ca2dc74f27c90bc.webp "84229 - Exhaust: CalCat CARB Direct Fit Catalytic Converter 1.98" Outlet (OD) for Walker Exhaust")
CalCat CARB Direct Fit Catalytic Converter 1.98" Outlet (OD)
Walker Exhaust
84229
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Direct-Fit Catalytic Converters are...
Fits Your Vehicle
Federal / EPA Catalytic Converter - Universal OBDII Select+Plus Tech Series
AP Exhaust
608705
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while our latest...
$151.82
Fits Your Vehicle
Muffler - Challenge
AP Exhaust
2508
AP Challenge Muffler Our best Direct Fit OE replacement muffler; Constructed from 100% Aluminized Steel; Original Equipment Tuning...
$72.74
Fits Your Vehicle
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