Factory exhaust tip chroming?
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The stock tips are mild steel and then individually ceramic coated. What really screws them up is that the tie bar is pus welded (mig) on after the ceramic process. At best this was a poor decision and a cost saving measure from the original design intent. Go back and find some early 1999 Lightning literature and you will see reference to stainless steel exhaust tips. Additionally, stainless steel can be chrome plated. It is usually done to create a uniform finish when used with other chrome trim. The 300 series of stainless has brilliance, which is far better then chrome.