Ultimate Racing High Flow Catalytic Converter | 2007-2014 Mazdaspeed3 (80011)

Features:

• 3-inch 304 stainless steel piping 
• Replaces OEM secondary catalytic converter with our high flow ceramic core (efficient to 450 hp) 
• TIG welded to perfection 
• Proprietary "3-inch Donut Gasket" for a TRUE unrestricted 3-inch design 
• Bolt-on