Any ideas on modifying factory TPI air filter housing?
Thread Starter
Joined: Apr 2017
Posts: 1,149
Likes: 445
From: Northern NY
Car: 1988 Trans Am GTA and 1979 Trans Am
Engine: 5.7 L98
Transmission: 700R4
Axle/Gears: Borg Warner 9 bolt 3.27
Any ideas on modifying factory TPI air filter housing?
I did a search but couldn't find a ton of info on modifying or cutting "windows" in the factory TPI air filter housing for more air flow, particularly the canister style on the 88'-89' MAF cars. I saw the tech article mentions it and apparently the TPIS insider tips went over it as well... I am trying to maintain a "stock" appearance so I am not interested in the CAI kits with exposed filters etc.
Joined: Jul 2013
Posts: 1,208
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From: *member since 1999, I think - just can't remember my old name, and the big site crash...*
Car: 89 GTA ASC Conv., Prev: 89 GTA 6.3L
Engine: 5.7L L98 TPI
Transmission: 700r4 Automatic
Axle/Gears: 3.27:1 w/ JG1 Options:B2L, N10, U1A
Re: Any ideas on modifying factory TPI air filter housing?
Yeah, you basically window the can, cutting a few rectangles, vertically, out of the can.
Thread Starter
Joined: Apr 2017
Posts: 1,149
Likes: 445
From: Northern NY
Car: 1988 Trans Am GTA and 1979 Trans Am
Engine: 5.7 L98
Transmission: 700R4
Axle/Gears: Borg Warner 9 bolt 3.27
Re: Any ideas on modifying factory TPI air filter housing?
Cool, that’s kind of what I thought but I pictured them horizontal in my mind for some reason. I’m tossing around a few options for this. Kinda thinking of outlining a rock auto magnet or 2 on 3 sides of the canister going vertical as you mentioned and cutting them out.
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