Airbox modification.
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Junior Member
Joined: Jan 2001
Posts: 29
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Airbox modification.
I have a 1991 trans am GTA ,I understand you can modify the stock airbox by cutting windows in the sides to increase airflow, but you need the top and bottom sealed,the airbox sides are ok to open up. I was wondering instead of cutting the airbox canister,why not remove it and just put the filter in where the canister use to be.The airbox top will just fit on the filter and seal the top.can anyone let me know if this is a safe alternitive instead of cutting the airbox. Thanks
Supreme Member
iTrader: (8)
Joined: Jan 2000
Posts: 3,968
Likes: 1
From: Macedonia ,OH
Car: Formula
Engine: 6.0 LSX
Transmission: 4L60E
Axle/Gears: 9 Bolt 3:27
Thats what I did, but I cut only half of it. I kept the back half so I wont suck in hot heat but I cut the front half off and rerivented the hold downs to the back so I was still able to hold the filter in place.
Supreme Member
Joined: Mar 2001
Posts: 2,030
Likes: 0
From: Naples,Fl.
Forget all of that crap and replace all of it! I did mine and I can hear it sucking inside my car with the hood closed! Here's a pic 
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'87 Trans Am
305 TPI:
160 Degree Theremostat
Accel 300+ 8.8 Racing Wires
Accel Super Coil
Bosch Spark Plugs
Custom Ram Air with K&N
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'87 Trans Am
305 TPI:
160 Degree Theremostat
Accel 300+ 8.8 Racing Wires
Accel Super Coil
Bosch Spark Plugs
Custom Ram Air with K&N
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