Fly below the radar with a Vibrant STREETPOWER Flat Black Muffler. It's a must for any true "Sleeper" car. 100% Stainless Steel Construction with a high temperature Flat Black coating to help avoid unwanted attention. Feature Vibrant's "True Straight Through" perforated internals for unrestricted flow and maximum horsepower. These mufflers are densely packed with our premium multi-layered sound absorption materials, helping produce a low, deep exhaust tone.