J Jake New member Jul 15, 2010 #1 Im 17 and my grand prix is a 1999 GT. Its a 3.8 liter v6 automatic. I know replacing the air filter or putting a cone filter in, or wrapping the exhaust. any other advice? I wanna be able to do all of these things myself. so nothing crazy
Im 17 and my grand prix is a 1999 GT. Its a 3.8 liter v6 automatic. I know replacing the air filter or putting a cone filter in, or wrapping the exhaust. any other advice? I wanna be able to do all of these things myself. so nothing crazy
