Up for sale is PRO CIRCUIT T-6 SYSTEM 0152225GThe T-6 Stainless Steel Exhaust System offers the same benefits as our popular Ti-6 Titanium Exhaust System, but the T-6 is constructed of stainless steel and aluminum for increased strength and durability while giving riders a more affordable alternative to titanium. The T-6 comes with a removable United States Forest Service (USFS) Approved Spark Arrestor making it easy to alternate between off-road and closed course riding.. The vendor part number is 0152225G.Please read title to know what you are getting and here is the catalog description�