Borla(r) premium-quality exhaust tip features mirror-polished Black Chrome finish on high quality T-304 austenitic stainless steel, precision welds and distinctive styling. The perfect way to provide a custom look for your vehicle. Using Borla(r) Stainless Steel Polish #21461 is NOT recommended with the black chrome tips. We suggest cleaning the tips with hot water and a microfiber cloth. Best of all, they are backed by Borla(r)'s Million-Mile warranty with the following exceptions. Borla(r) will warranty black coatings, tip finishes, and carbon fiber parts for one year.