The final spec for the new Vortex Exhaust System has come in after extensive rolling road testing on the Chevrolet Spark.

There has been an increase in power and certainly a noticeable improvement on the Torque curve according to the report from XS Racing.

In addition, some other adjustments including using the thinnest/lightest possible steel, keeping high up in the tunnel for ground clearance and protection and keeping the Motorsport Cat under the sump and forward to allow sufficient clearance on the drive shaft boot.

All these tweaks will go into making the best Vortex Tarmac Exhaust on the racing circuit and hopefully will enable the Chevrolet Spark Rally Car Junior Formula 1000 team to keep on winning.