In Grand Prix GTP
If you replaced your air box on a 1999 Pontiac Grand Prix GTP with a cold-air ram-air system do you relocate your ait sensor before or after the filter?
Answer . \nYou can buy Casper's IAT sensor extension, and place the end of it wherever the air is coldest. Most preferably towards the fender.. Answer . \nbut still kee…p it after the filter of course. (MORE)