This is a really nice copy of multiple high priced intake system. Everything looks like its painted aluminum and does not come with install instructions. It is very easy to install if you’ve done any maintenance on bike it will be a breeze. Will need to remove bracketed of OEM breather bolts (#4) for new breather bolts spacers. Clear window might cracked with time but it appears that it can be replaced with filter. Will try to update when cracked or filter change replaced. HIGHLY RECOMEND TUNE for better performance. [...]