Product Overview Gibson 615623B Gibson 11-16 GMC Sierra 2500 HD Denali 6.6L 4in Filter-Back Single Exhaust - Black Elite
Gibson Gibson 616515B Gibson 11-19 GMC Sierra 2500 HD Denali 6.0L 3.5in Cat-Back Single Exhaust - Black Elite
Gibson Gibson 616516B Gibson 11-19 GMC Sierra 2500 HD Denali 6.0L 3.5in Cat-Back Single Exhaust - Black Elite
Gibson Gibson 615623 Gibson 15-19 GMC Sierra 2500 HD Base 6.6L 4in Filter-Back Single Exhaust - Stainless
Gibson Gibson 616610B Gibson 11-16 Ram 2500 Laramie 6.7L 4in Filter-Back Single Exhaust - Black Elite
Gibson Gibson 616515 Gibson 11-19 GMC Sierra 2500 HD Denali 6.0L 3.5in Cat-Back Single Exhaust - Stainless
