99 pontiac grand prix GTP supercharged

20

Asked by Kris Jun 29, 2017 at 02:22 PM about the 1999 Pontiac Grand Prix 2 Dr GTP Supercharged Coupe

Question type: Car Customization

I have a 99 supercharged grand prix gtp and the
stock air box has a big metal thing with wires
connected to it. What is it? And im trying to take it
out to put a aftermarket cold air intake in

3 Answers
188,395

Paul answered 6 years ago

THAT BOTTOM PART STAYS, JUST GET A KIT LIKE THIS

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4,085

Capn_Steve answered 6 years ago

That is the engine management computer. It needs to be kept cool by incoming air, but has to stay dry. Either make a ducted box to enclose it or get a kit that the ECU fits into.

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