The COBB Subaru SS 3-inch cat-back exhaust hardware kit supplies the mounting hardware needed for the specified 3-inch COBB Subaru stainless steel cat-back system. The kit is described as an exhaust hardware set for that cat-back application and is intended to provide the fasteners and installation components called out in the product listing.
Cobb Subaru SS 3in Cat-Back Exhaust Hardware Kit