Search Results for ‘emissions help’

I recently purchased the K&N Typhoon Cold-Air intake. It may not be legal in New York State. Does it have any effect on my emission system?

Hello to all, I just picked up a convertible 5 speed 7-up series, as a fun little project. The car runs great except for having failed the idling portion of the exam. The hydrocarbons ppm were at 363, way above the allowed 220. The previous owner installed a BBK off road H pipe, could that...