Race Muffler, 3.5" inside diameter x 5" OAL 1984-pontiac-firebird-esi1382254 Hub can be a GM

Hub can be a GM G-Body rotor turned down or Wilwood P/N 270-12304

Each kit has been tested for compatibility and includes enough fluid for a complete oil change

Installation time is about a half hour

rubber stock motor mounts

Ford F32Z-19C547-MA

Race Muffler, 3.5" inside diameter x 5" OAL 1984-pontiac-firebird-esi1382254 Hub can be a GMVibrant Performance stainless steel race mufflers are densely packed with our premium multi layered sound absorption materials, TIG welded for optimum durability, and manufactured from 304 stainless steel for optimum durability and corrosion resistance. Vibrant Performance race mufflers are very lightweight, compact, and are designed to comply with muffler requirement rules at race tracks throughout North America. They are available in 5 & 9 overall