Bricks: Old = 527; New = 535
Mass: Old = 12,642 lbs; New = 12,715 lbs

Car should now roll-over less when steering/turning.
New preview images/pictures.

Bricks: Old = 527; New = 527
Mass: Old = 26,315 lbs; New = 12,642 lbs

Made the car even more lighter for higher speeds.
Moved fuel tanks away from the back and changed the material to Foam.
New preview images/pictures.

Bricks: Old ~= 520; New = 527
Mass: Old ~= 31,035 lbs; New = 26,315 lbs
mostly visual changes:
Added paint job - yellow and black stripes.
Changed materials on some parts to make the car weight less (mass dropped 31,052 to 26,315 lbs).
Changed Taillights a bit.
Added 2 subwoofers inside the car, i didn't make a 100% copy of them from the actual HotWheels model, but it looks cool.
Rear wheel arch should look a bit wider now.

DAMN PREVIEW IMAGE

damn preview image