The Speed Force Racing Stage 3 Smart 451 turbocharger system bumps up the power to an incredible 158 ponies at the wheels. The stage 2 system comes with a larger intercooler, larger injectors,boost controller,SFR header and SFR header with twin Brabus style tips and boost is increased to 13 psi(reccomend running on 100 octane race fuel only!).

The Speed Force Racing Stage 2 Smart 451 turbocharger system bumps up the power to an incredible 115 ponies at the wheels. The stage 2 system comes with an intercooler and boost is increased to 8 psi.

The Speed Force Racing Stage 1 Smart 451 turbo system runs at 5 psi of boost pressure.This delivers anywhere from 85-90 WHP.

This is a Twin tip exhaust upgrade we developed for our turbo system.It utilizes two 3" dual walled tips to give your Smart the look it deserves.

Introducing the Speed Force Racing performance header for the Smart Car.We have designed this header to outperform the other headers on the market.

SFR has just released an air to water intercooler upgrade for the Speed Force Racing Smart turbo system.This system is good for an extra 10 WHP!