Not sure which 1991 Ford Mustang Air Intake Systems are right for you? We have over 20796 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:
"AEM engineered well with quality materials. The ease in the installatiion and the perfect fit attest to this. May have minor horspower improvement and
quicker responce. Have some improvement in gas mileage." —Alvin C from Williamson, GA bought an AEM Brute Force Air Intakes for a 1991 Ford Mustang.