800.486.2681 M-F 8AM - 5 PM EST / SAT 10AM - 4PM
On the 1986-93 Mustang, if you want to install a larger throttle body then you have to install a larger Mustang EGR spacer at the same time. On late model Mustang a throttle body spacer improves off idle to mid range performance by increasing plenum volume. Mustang throttle body spacers offer a simple way to add a horsepower and help improve fuel mileage.