Quick view Compare Gibson Gibson 11-16 GMC Sierra 2500 HD Denali 6.6L 4in Filter-Back Single Exhaust - Black Elite - 615623B MSRP: $1,129.79 Was: Now: $456.04 Quick view Compare
Quick view Compare Gibson Gibson 15-19 GMC Sierra 2500 HD Base 6.6L 4in Filter-Back Single Exhaust - Stainless - 615623 MSRP: $1,096.88 Was: Now: $443.05 Quick view Compare
