GReddy RS Race Exhaust | 1993-1996 Mazda RX-7 (10148402)1993 1996 Mazda RX 7 RS Race Exhaust System by GReddy For that period correct look and sound, the GPP RS Race for the 1993 96 (FD3S) Mazda RX 7 is here. Styled after the legendary Power Extreme II RX 7 exhaust of the late 90s early 00s, this new and improved version follows the same high flow straight through layout with large 80mm (3. 14) diameter mandrel bent stainless steel piping, but now it also incorporates superior construction, materials and