Ignition/Tuner/ECM/Fuel InjectionNeed advice on ignition issues? Questions about a tuner? Have questions about a EFI calibration or Fuel Injection? Tips on Engine Diagnostics, how to get codes, and what they mean. Find your answers here.
If you were runnin a 2-1 pipe you will have some drop but not with duals n V&H muffs. that all in the fuel and timing curve.... I will say though that that 211 likes more comp.....