Vibrant Performance TPV mufflers are round bodied, densely packed with our premium multi-layered sound absorption materials, TIG welded for optimum durability, and manufactured from 304 stainless steel for optimum durability and corrosion resistance. Vibrant Performance TPV mufflers are designed to withstand the demands of high performance vehicles. They are available in inlet I.D. diameters ranging from 2.5" to 4" and feature either single straight or single angle cut tips.