GM Muffler 15577577 Fits 83-91 Chevy S-10 GMC S-15 Sonoma Walker 22500

OEM GM Muffler, p/n 15577577. Fits 83-91 Chevy S-10 GMC, S-15 Sonoma with 2.8 V6… VERIFY YOUR PART NUMBER. NOS Military Surplus, sold by Detroit-Diesel Allison to US Navy. NSN 2990-01-367-0232. Although used on shipboard machinery, this is a direct-fit application (bolt up) for many GM trucks 1983-1991.  Original invoice was $472.65. Same as Walker 22500.  Get yours from DP Equip,   15287 1WH3C