SoundFX; Direct Fit
133.0" Wheelbase or 143.5" Wheelbase or 153.0" Wheelbase; with 2.5 (in) Muffler Inlet; with Federal Emissions System; Except Low Emission Vehicle (LEV); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
2006
SoundFX; Direct Fit
133.0" Wheelbase or 143.5" Wheelbase or 153.0" Wheelbase; with 2.5 (in) Muffler Inlet; with Federal Emissions System; Except Low Emission Vehicle (LEV); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
8.1L V8
2005
SoundFX; Direct Fit
133.0" Wheelbase or 143.5" Wheelbase or 153.0" Wheelbase; with 2.5 (in) Muffler Inlet; with Federal Emissions System; Except Low Emission Vehicle (LEV); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
2006
SoundFX; Direct Fit
133.0" Wheelbase or 143.5" Wheelbase or 153.0" Wheelbase; with 2.5 (in) Muffler Inlet; with Federal Emissions System; Except Low Emission Vehicle (LEV); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
SILVERADO 3500
6.0L V8
2006
SoundFX; Direct Fit
Crew Cab Pickup or Extended Cab Pickup or Standard Cab Pickup; 133.0" Wheelbase; with 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emissions System; Except Low Emission Vehicle (LEV); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
8.1L V8
2006
SoundFX; Direct Fit
Crew Cab Pickup or Extended Cab Pickup or Standard Cab Pickup; 133.0" Wheelbase; with 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emissions System; Except Low Emission Vehicle (LEV); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
SILVERADO 3500 CLASSIC
6.0L V8
2007
SoundFX; Direct Fit
Cab & Chassis; 133.0" Wheelbase; Except Heavy Duty; with 2.5 (in) Muffler Inlet; with Single Rear Wheels (SRW); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
8.1L V8
2007
SoundFX; Direct Fit
Cab & Chassis; 133.0" Wheelbase; Except Heavy Duty; with 2.5 (in) Muffler Inlet; with Single Rear Wheels (SRW); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
GMC
SIERRA 2500
6.0L V8
2005
SoundFX; Direct Fit
133.0" Wheelbase or 143.5" Wheelbase or 153.0" Wheelbase; with 2.5 (in) Muffler Inlet; with Federal Emissions System; Except Low Emission Vehicle (LEV); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
2006
SoundFX; Direct Fit
133.0" Wheelbase or 143.5" Wheelbase or 153.0" Wheelbase; with 2.5 (in) Muffler Inlet; with Federal Emissions System; Except Low Emission Vehicle (LEV); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
8.1L V8
2005
SoundFX; Direct Fit
133.0" Wheelbase or 143.5" Wheelbase or 153.0" Wheelbase; with 2.5 (in) Muffler Inlet; with Federal Emissions System; Except Low Emission Vehicle (LEV); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
2006
SoundFX; Direct Fit
133.0" Wheelbase or 143.5" Wheelbase or 153.0" Wheelbase; with 2.5 (in) Muffler Inlet; with Federal Emissions System; Except Low Emission Vehicle (LEV); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
SIERRA 3500
6.0L V8
2006
SoundFX; Direct Fit
Crew Cab Pickup or Extended Cab Pickup or Standard Cab Pickup; 133.0" Wheelbase; with 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emissions System; Except Low Emission Vehicle (LEV); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
8.1L V8
2006
SoundFX; Direct Fit
Crew Cab Pickup or Extended Cab Pickup or Standard Cab Pickup; 133.0" Wheelbase; with 2.5 (in) Muffler Inlet; with 9900 (lb) Gross Vehicle Weight (GVW); with Federal Emissions System; Except Low Emission Vehicle (LEV); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
SIERRA 3500 CLASSIC
6.0L V8
2007
SoundFX; Direct Fit
Cab & Chassis; 133.0" Wheelbase; Except Heavy Duty; with 2.5 (in) Muffler Inlet; with Single Rear Wheels (SRW); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe
8.1L V8
2007
SoundFX; Direct Fit
Cab & Chassis; 133.0" Wheelbase; Except Heavy Duty; with 2.5 (in) Muffler Inlet; with Single Rear Wheels (SRW); with Small Diameter Muffler; Use Reducer Bushing 41974 to connect with OE Converter Pipe