I looked on an '87 350 and he didn't have them..But on mine, there are two little holes right before the MAF. It seems like it would throw off the MAF because of air leaking out..but maybe it is the opposite. Ideas?

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-Red '88 IROC 5 Speed 305 TPI w/3.08
-Dual Friction Centerforce Clutch
-Accel 300+ Racing Ignition
-Accel 300+ Pro Sleeve Plug Wires
-Accel U-Groove Plugs
-Flowmaster Force II 3 Chamber Cat Back Exhaust
-Hypertech Chip
-Hypertech Airfoil
-Removed, Then Re-installed (out of fear) MAF Screens
-Gutted Air Box
-Best E/T 14.686, 60' 2.205, 1/8th mile 9.461, 1/4 MPH 93.91
-Best 60' 2.17

 

Drain holes perhaps? Are they in the bottom of the duct?

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"So many Mustangs, so little time..."

 

Nope..they are on the sides..about the size of a standard LED light on your computer speakers..I hope water isnt getting that close to the MAF! That's scary! Thanks for the reply..

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-Red '88 IROC 5 Speed 305 TPI w/3.08
-Dual Friction Centerforce Clutch
-Accel 300+ Racing Ignition
-Accel 300+ Pro Sleeve Plug Wires
-Accel U-Groove Plugs
-Flowmaster Force II 3 Chamber Cat Back Exhaust
-Hypertech Chip
-Hypertech Airfoil
-Removed, Then Re-installed (out of fear) MAF Screens
-Gutted Air Box
-Best E/T 14.686, 60' 2.205, 1/8th mile 9.461, 1/4 MPH 93.91
-Best 60' 2.17