Andy's Auto Sport lists the Ansa muffler, call them at 1-800-418-1152 and see if it is in stock.

ANSA Sport Universal Muffler -
Aluminized Oval Body W/ Dual Round Stainless Tips - 2" Id X 3" Od X 26 1/2" Long
PART NO: UN0827
UPC NO: ANSS00000047
$211.60