A single metre of 304 grade stainless, in various diamters and thickness on 1.5mm and 2mm 
 
 
304 stainless steel tubes, available in 1.5mm and 2mm thicknesses, are commonly used for custom exhaust systems. Their corrosion resistance and durability ensure longevity under high-temperature and corrosive conditions, maintaining performance over time. The 1.5mm variant offers a balance of strength and weight, while the 2mm thickness provides added durability for heavy-duty applications.