Product Details: ① E.P.A. Compliant: Yes;② Vehicle's Specifications: Federal;③ Restricted States: CA, NY, CO, ME;;④ Stuff: Stainless Steel;⑤ Inlet Type: Welded V-Band Flange;⑥ Inlet Quantity: 1;⑦ Outlet Type: 3.12" OD;⑧ Outlet Quantity: 1;⑨ Seal Included: Yes Vehicle Fitment: 2011-2016 For BMW For 535i l6 3.0L,2011-2013 For BMW For X5 l6 3.0L,2010-2014 For BMW For X6 l6 3.0L Vehicle Fitment: 2011 2012 2013 2014 2015 2016 For BMW For 535i 3.0L,2011 2012 2013 For BMW For X5 3.0L,2010 2011 2012 2013 2014 For BMW For X6 3.0L OEM Part Number: D17409FC, 18407645241, 18307599198.We try to provide excellent products and service to our customers. If the part fails or breaks, please connect us any time and you will get a satisfactory solution.Please check picture,part number and fitment information to verify if this is the correct one you need before purchasing Direct-Fit Design: Our catalytic Converters are design-validated for assured fit. Made of high premium stainless steel, sturdy, durable