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Gytr Question ?? Help Please

1K views 8 replies 3 participants last post by  Acid0601 
#1 · (Edited)
Hey guys i have a gytr exhaust with the 05 header mod with o2 sensor on my 07 r6, iam currently running a akra map on it dont have the money for a custom tunbe yet, but when iam on a dead stop and pull on the throttle it seems to have a lean on it until it gets to 3.5 to 4k rpms then it pulls normal . does this mean i need to add fuel % or decrease fuel %??? thanks

 
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