The APS unit requires more calibration = more tuning time = more $, whereas the Hyperflow CAI doesn't, therefore is preferred.
__________________
MY09 Evo X - 1.6bar@3500rpm - got lag?
Barbagallo - 56.03 (S); 1:08.09 (L)
Collie - 50.77
Possibly the most under-driven Evo X in the world??
|