HGS Race Line complete exhaust System. The HGS Race Line equips the bike with affordable qaulity and extra horses. having the unique look with HGS race color selections, the bike will look exactly how you think it should. The Race Line header and mid-pipe is manufactured using high quality stainless steel/INOX and durable aluminium for the silencer. The familiar clamp-strap enables the exhaust to stay steady in all circumstances.