If not you can easily add one.
Msd 2 step mustang automatic.
My bad ass grandma then demonstrates how great it sounds on the car.
This allows you to have the 2 step on without having to hold a button but you do need a clutch switch.
What you need is a normal relay that you setup as a latching relay as per the diagram below.
This is plug and play so you just plug stock coil pack wiring into the msd connector then the msd connector into the coil pack.
Buy a new msd 2 step launch master module for your 1999 2010 mustang with a 4 6l engine or 2007 2012 gt500 mustang from cj pony parts.
If you already have a clutch switch then hook it up to that.
It takes a little creative wiring but you can get everything under the coil pack covers.
The msd launch master 2 step rev limiter is designed to fit 2011 to early 2016 5 0l coyote v8 mustangs with a coil on plug system.
The rpm is adjusted with two built in rotary dials.
The msd launch master 2 step rev limiter is designed to fit 1999 to 2010 modular v8 mustangs with a coil on plug system.
A handy led shows when the launch rev limit is active.
The msd launch master 2 step rev limiter connects directly to the factory coils for an easy straight forward installation and features a handy led that shows when the launch rev limit is active.
The stock limiter pulls fuel.
Here is how i did my 2 step with a manual.
The msd launch master 2 step rev limiter connects directly to the factory coils for an easy straight forward installation and features a handy led that shows when the launch rev limit is active.