This muffler is made of stainless steel. One for pocket bike, the other for super bike. 

There are two sizes.

We have been a leading manufacturer and exporter of Muffler

Contact information: Inquire

Address:	569 Qingtai Road, Hangzhou, Jinhu Bldg, Zhejiang Province. China
Company Name:	Zhejiang AMP Incorporation
Contact Person:	Luck Zhao, Charlie Ma
Fax:	0086-571-87829510
Telephone:	0086-571-87803905, 87800756
Website:	http://www.luckamp.com
Zip:	310009