Not sure which 2003 Audi A4 Mass Air Flow Sensors are right for you? We have over 316 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"i didn't think this flow mass air sensor would help... but i was wrong!! it makes a big Difference with your K&N intake.
i have Jet Power-Flow Mass Air Sensor, K&N intake and a flowmaster on my 98 ford explorer XLT...
now my SUV has power!!!
it feels like i have a race car and not a MID-SUV...
get all 3 units and you will be one happy person!!
cello" —Marcelo D from Long Beach, CA bought a Jet Power-Flow Mass Air Sensor for a 2003 Audi A4.