is this a diy job or does the sensor need to be calibrated in any way shape or form... should i let the shop do this one or can i do it myself without much headache??? 
95 gl I4, naxor R exaust, k&n intake, taylor wires,wings west touring wing, 98 se sideskirts, custom back bumper,catz fogz,2 15" jensen XS subs with mean machine amp
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