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My 91 came with the stock air intake assembly except for the K&N filter. I decided to see if I can not only open it up for more air but make it look good in the process. I haven't seen any dyno results yet, but if you look at the dyno results from just the air foil http://www.ws6.com/mod-4.htm you will see that the foil gets you 2.4 HP and 2.1 TQ, with an average gain of 5.3 HP. So i'm expecting somewhere along those lines.
I used a plasma cutter, I don't recommend using the HD 220V one, its too messy for this thin metal and I spent a lot of time with a grinder cleaning it up and painting it. I paid $17 at Lowes for this, theres about 15 different designs. Used some snipes to cut to size and apoxy to hold it for now until i can figure out a permanet solution. Would like to hear any ideas, I dont want to use screws. Download a logo online, edited it Microsoft Paint and cut it out with a razor. I know its hard to read but its because of the sun beaming on it. It looks fine IRL, maybe not perfect but I am happy.
Customizing my Air lid ,91
