Part Number: 315511 1998-2000 GMC K3500 Gibson Exhaust System Swept Side Polished 1998-2000: Sierra SL; 8Cyl 5.7L; 1998-2000: Sierra SL; 8Cyl 7.4L; 1998-2000: Sierra SLE; 8Cyl 5.7L; 1998-2000: Sierra SLE; 8Cyl 7.4L; 1998-2000: Sierra SLT; 8Cyl 5.7L; 1998-2000: $505.46 Gibson Swept Side Exhaust Systems Part Number: 315511 1996-1997 GMC K3500 Gibson Exhaust System Swept Side Polished 1996-1997: Sierra SL; 8Cyl 5.7L; 1996-1997: Sierra SL; 8Cyl 7.4L; 1996-1997: Sierra SLE; 8Cyl 5.7L; 1996-1997: Sierra SLE; 8Cyl 7.4L; 1996-1997: Sierra SLT; 8Cyl 5.7L; 1996-1997: $505.46 Gibson Swept Side Exhaust Systems Part Number: 315569 1990-1995 GMC K3500 Gibson Exhaust System Swept Side Polished 1990-1993: Sierra SLX; 8Cyl 7.4L; 1990-1993: Sierra; 8Cyl 7.4L; 1990-1995: Sierra SLE; 8Cyl 7.4L; 1994-1995: Sierra SL; 8Cyl 7.4L; 1994-1995: Sierra SLT; 8Cyl 7.4L; $397.64 Gibson Swept Side Exhaust Systems Minimum welding required for installation. Part Number: 315571L 1989-1993 GMC K3500 Gibson Exhaust System Swept Side Polished 1989-1993: Sierra; 8Cyl 5.7L; $397.64 Gibson Swept Side Exhaust Systems Part Number: 315571L 1988 GMC K3500 Gibson Exhaust System Swept Side Polished 1988-1988: Sierra SLE; 8Cyl 5.7L; 1988-1988: Sierra SLX; 8Cyl 5.7L; 1988-1988: Sierra; 8Cyl 5.7L; $397.64 Gibson Swept Side Exhaust Systems Part Number: 315574L 1994-1995 GMC K3500 Gibson Exhaust System Swept Side Polished 1994-1995: Sierra SL; 8Cyl 5.7L; 1994-1995: Sierra SLE; 8Cyl 5.7L; 1994-1995: Sierra SLT; 8Cyl 5.7L; $397.64 Gibson Swept Side Exhaust Systems Part Number: 5501 1988-1993 GMC K3500 Gibson Exhaust System Split Rear Polished 1988-1988: Sierra SLE; 8Cyl 5.7L; 1988-1988: Sierra SLX; 8Cyl 5.7L; 1988-1993: Sierra; 8Cyl 5.7L; $478.50 Gibson Split Rear Exhaust Systems