What is the fine-grained topic of the following text: Exhaust material consist of SUS304 stainless, mandrel bend piping which is polished then brushed, precision TIG welding, thick flanges and are supplied with all the bolts, nuts, flanges, V-band clamps, slipt joint clamps (where needed) gaskets for a no fuss installation. Only return the topic.
Exhaust system components and installation