Specification: Material: high quality wool wick + 304 stainless steel Finish color: matte and skital Inlet size (inner diameter): 86mm/(3.38") Outlet size: 101mm/(3.97") Total length: 140mm/(5.51" ) Edge: straight Price: for one piece, if you need two pieces, please choose two Fit for: For BMW X5 E70 (2008-2013) For BMW X5 F15 (2014-2018) For BMW X6 F16 (2015-2018) ) For BMW X5 F15 E70 for 1 piece! Generally you need 2 pieces for your Mazda Description 1.Auto car universal end pipes 2. 3. High quality stainless steel 4. Perfect fit and excellent material 5. This is a retrofit product, it is installed directly on the original tail nozzle for permanent use, no replacement 6. Please confirm that the diameter of your car exhaust pipe is 86mm and the product fits this size. 7. All products are shot under indoor lighting. Due to the display, color difference may exist due to different lighting, which is not a quality problem. 8. There are no instructions included in this kit. 9. Please leave us a message with any size question. Fitment: Please measure the size for your car pipe is 86-87mm before mounting. Material type: wool; carbon wick + stainless steel