Well if you really want cool factor, I would go with the new RCS 45, 4 Stroker! It would sound awesome, runs on gas and would be a torque monster! Well maybe, but the sound[8D] And only 3.7 lbs with ignition. Only comes with a strait pipe, don't need a muffler it would just kill that music
Now if they would only drop the price to about 700.00 US, I'm in!