Not sure which 2003 Lexus LS 430 Air Filters - Custom Fit is right for you? We have over 14143 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 only put in the filter 300 miles ago but it does seem to give me better mileage. Still to soon to know." —John J from North Fort Myers, FL bought a K&N Air Filters for a 2003 Lexus LS 430, 4.3L V8.