Here’s a great how-to on polishing exhaust tips on your car. I used Griot’s Heavy Duty Metal Polish, 0000 augt steel wool, detail swabs and a shop microfiber towel to buff. When I washed the vehicle, I used Griot’s Heavy Duty Wheel Cleaner to remove the grime and dirt from the exhaust tips prior to polishing. You can find these products from Griot’s at the Driver’s Edge at SweetCars. Here is the step by step process.