CUSTOM RX7 FOR DUMMIES

Early 12A engines also function a thermal reactor, just like the 0866 10A, and some use an exhaust port insert to scale back exhaust sound. A lean-melt away Model was launched in 1979 (in Japan) and 1980 (in the united states) which substituted a more-typical catalytic converter for this "afterburner". A major modification with the 12A architecture