Get Control And Be Consistent With The Easy-To-Install MSD Launch Control Two-Step For All Mod-Motor Mustangs. HOT ROD Staff Writer Sep 01, 2008. See All 13 Photos.

The MSD control boxes also offer a two-step rev-limiter system with a low-rpm limiter that can be used for burnouts or as a launch limiter along with a high-rpm limiter.

Basically, it all boils down to ignition control. An aftermarket two-step rev limiter lets you set one (lower) limiter for launch, and a higher limit for when you're upshifting as you accelerate away.

A month ahead of the New York auto show, Dodge finally showed off the new Challenger SRT Demon’s launch control. The system is essentially the same two-step launch control you’d find on a ...