This is a full set (6) of Xtreme DI (XDI) increased flow injectors for your LF4 powered ATS-V. These injectors install in place of the stock injectors and provide up to 50% more flow over stock. 

• +50% Increased Flow over stock injectors
• Stock-like Idle Characteristics for smooth performance
• Precision Matched Sets within a ±0.5% flow variance
• High Stability at 3,000 PSI, providing perfectly linear performance
• 100% Drop-In Fitment: No adapters or pigtails required
• Tuning Modifications Required (fully supported by HP Tuners)

Each XDI injector set is rigorously tested and matched at three key operating points, and includes comprehensive documentation:

• Idle Stability: 0.8 ms / 20 bar
• Static Flow Reference (qstat): 10 ms / 100 bar
• WOT Performance and Stability: 6 ms / 200 bar
  
  

Each set of injectors includes a spec sheet with calibration data. PCM tuning is needed with these injectors. If you are unsure of what portion of your fuel system is limited on your current setup consult your tuner before purchasing any fuel system upgrades.