Yes
I have 3 on mine, one tune for 87 - 91 - 93. Plus you can turn it back to stock too if you want
Take about 3 min to change back and forth
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MICH, 99 laser red Roush cougar MTX -
Msds-Injen/GMK-magnaflow-svt-Xcal2-b&g-kyb-tezzen-clarion-earthquake