The Stage 1 Power Pack is our most popular upgrade for the smart 453.

This kit includes the MADNESS MAXPower ECM and MADNESS GOPedal.

These two go hand in hand and you will be happy with this upgrade.

Here is a video on how we dyno as well!

For more information please follow the link below:

smart fortwo 453 MADNESS Power Pack - Stage 1 Online Store - smart car Parts and Accessories