2004 GMC Sierra 2500 equipped with 6.0L V8 Gas OHV
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Must Use with Part Number(s) 21533 with 2.5 (in) Muffler Inlet with Federal Emissions System except Low Emission Vehicle (LEV) with Small Diameter Muffler Wheel Base 153.0 In.
2004 GMC Sierra 2500 equipped with 6.0L V8 Gas OHV
Must Use with Part Number(s) 21533 with 2.5 (in) Muffler Inlet with Federal Emissions System except Low Emission Vehicle (LEV) with Small Diameter Muffler Wheel Base 153.0 In.