VMP '11-'14 Mustang GT Stage 1 Pack - JLT, SCT X4, and Custom Tuning This is for the mustang enthusiast looking for a place to start to pick up power! With this power package you can see gains of up to +20-30 rwhp (This is based on sea level and octane 93+) Package includes: SCT X4 tuning deviceJLT Series 2 cold air intake(1) 91-93 octane VMP custom tune file - We highly recommend the use of the VMP Ultimate Pulley Removal and Installation tool. It is a specialized tool made specifically for this job, most Ford dealers and mechanics will not normally have such a tool. They may have other tools that will work, but the time spent and the damage caused is often not worth the trouble. Our tool is designed to take the stock pulley off without damaging it, and allows for easy installation of the new pulley. Our installation tool uses a large bearing to allow the new pulley to be installed on center and with relative ease (due to lack of friction). No heat is required when using our tool. We can not guarantee the installation of our pulley when other tools are used.

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