KMR Half Bridge RX8 Porting Template

KMR Half Bridge RX8 Porting Template

Mazda RX8 Renesis
Porting template

KMR designed

Half bridge intake with extended exhaust port.
For racing and high performance application.

Approximately 15 to 20hp gain in the 8k to 9k RPM range depending on your tuning.


Not for street use will not pass some smog testing

$60