Killer mack pulling truck

[master7chief]

There is fire in that smoke. No really, it starts at 0:21 and appears to go away at full power but it actually grows more intense and causes the exhaust to have a slight red glow.

[1oldskoolluvr]

@master7chief yeah, i saw that too.

this Mack is def the top dog.

[dls99]

Yea growin up in Oxford, Pa I used to hit da buck every year for the diesel truck nationals. These V8 macks are sick on the street and on the dirt

[blaizey1983]

booner farms baby

[farmerallis]

is that at the buck??

[kenworth2011]

good ol dick bonner he puts on good show's no matter were's he's at what a power house