I think from GSF they are the "rear silencer" ??ONe has BQ next to it though, whats that mean?25277F SILENCER-REAR G3 2.0 8v MPi Hatchback 11/91 >12/97 £31.9025277H SILENCER-REAR(BQ) G3 2.0 8v MPi Hatchback 11/91 >12/97 £64.50
bq means best quality..either o.e or made by the original supplier (bosal in the mk3 case)
So the cheap rear box and the center pipe rather than box will be nice an quiet?