1990-93 Miata:
1) catalytic converter to connecting pipe,
2) connecting pipe to muffler (For header to catalytic converter gasket, see PN 61-3504)
1994-97 Miata:
1) exhaust header to catalytic converter
2) catalytic converter to connecting pipe
3) connecting pipe to Racing Beat muffler
MIATA NA/NB 1990-2005