Porsche 991.2 GT2 RS XperTune Performance Software (2018+) Exhausts While the later cars (1996-1998)

While the later cars (1996-1998) use an ECU software tune

Dramatic improvement in exhaust tone

Simple bolt-on installation with NO Check Engine Lights - Minor cutting required for removal of OEM part on Standard M3 / M4 Model

The exhaust pulses therefore slam into each other and then as pressure builds the exhaust is forced through a harsh 90 degree turn out to exit through the tips

OEM / Factory Fabspeed

Porsche 991.2 GT2 RS XperTune Performance Software (2018+) Exhausts While the later cars (1996-1998)Houston, we're ready for take off! Get the highest performance per dollar modification and achieve incredible power gains (+60 WHP & +85 FT LBS) without sacrificing driveability or reliability. Fabspeed Motorsport offers an alternative hybrid tuning method for vehicles equipped with latest generation of ECU's that traditionally require only bench flashing. No longer do you need to remove your ECU and mail it in for adjustments or to put it back to