Exhaust Porting template
Designed by KMR, same port used by the KMR team cars. 
Large Street Port, for race use, rounded shape for extended apex seal life sother operation and better velosity. 
 
Works great on Rotary 13B Engines. Turbo or Non Turbo 
FC3S, FD3S, 20B
 
CNC cut and shaped ready for use.
 
Designed for high performance off highway and racing use only