About Air Intake Systems
The Mercury Grand Marquis has always been a car that's known for its power and luxury. And now, with a NAPA air intake system, you can take your performance to the next level. Our air intakes are designed to improve acceleration, fuel economy, and horsepower, so you can feel the power of your Grand Marquis like never before. Plus, our systems install in under an hour, so you can get back on the road fast. So if you're looking for some extra speed and performance, look no further than NAPA Online.