Video doesn't do it justice you need to hear it in person holy crap does it sound good! I thought my center bypass sounded good but these race headers blows it out of the water in every way. In my opinion these headers are 30% louder than previous setup and the best part zero drone. Listen to the high pitch... read more
Derek, Taiwan 991 GT3RS Race Headers
Motec M150 996/997 Firmware
996 and 997 GT3 Custom Motec M150 Firmware:
Includes all CAN functionality of the factory ECU
MAP as Load
MAF as Load
And all things youve come to expect from the M150.