Using BORLA Stainless Steel Polish p# 21461 is NOT recommended with these black chrome tips.
5;Black tip included;Tip size 5;Truck side behind rear wheel exit style;California Residents: WARNING It utilizes high quality T-304 stainless steel, superior to T-409, for durability, mandrel bent pipes for high flow and a uniquely designed muffler to give you the best sound without drone.And as you would expect it is covered by the Borla Million Mile Warranty.The 140801BC Cat-Back by Borla is made to give you the best performance, sound and durability possible.