did you get on here just to ask that????????? hahaha
if the instructions say so..just do it. It's not like it's that hard. You will be disconnecting things and working around live wires and all, so it's best. plus it resets your computer so your truck will "learn" with the new intake.
Welcome to the forum!
JVC Arsenal KD, Bilstein 5100 adjustables [maxed], aFe Stage 2 Air Intake, Superchips 3865, Husky Floor Mats, Saddleman Camo Seat Covers, Flowmaster 40 Series Muffler SI/DO, 20 % Tint. 35x12.5x17 Federal Couragia M/T, 17x8.5 VTEC Warlord wheels, -12mm offest.