Description
Exhaust Muffler for 5 X 11in. Oval Straight Through Performance Exhaust Muffler MagnaFlow 12588 complete transmissions ) 55 Substrate Material Ceramic mounts and panels Improved Steering Response Includes SL 1957E ) 55 Substrate Material Ceramic Air Tube Adaptable No Converter Quantity 1 Inlet Attachment Bolt On Finish Stainless Steel Type Direct Fit Title HM Grade Direct Fit Subtitle Federal EPA Compliant Clamp Included Yes Heat Shield Included Yes Mounting Hardware Included Yes 2001 2006 GMC Sierra 2500 HD 496 CID