https://www.ebay.com/itm/Yamaha-DT-1-NOS-Hooker-Expansion-Chamber/293541626176?_trkparms=aid%3D777001%26algo%3DDISCO.FEED%26ao%3D1%26asc%3D225074%26meid%3Df5d66d91d68148e7831af6f2531caa73%26pid%3D100651%26rk%3D1%26rkt%3D1%26mehot%3Dnone%26itm%3D293541626176%26pmt%3D1%26noa%3D1%26pg%3D2380057%26algv%3DPersonalizedTopicsRefactor&_trksid=p2380057.c100651.m4497&_trkparms=pageci%3A4bc803a0-7da0-11ea-9e6c-74dbd1802dc4%7Cparentrq%3A7447e41a1710aca49bf684d1ffe6f51c%7Ciid%3A1
Didn't even know that Hooker made 2-stroke pipes back in the day. I've only seen J&R and DG for old Yamahas