Originally Posted by BoilerUpXFire

Interesting, we have had several electrical engineers on here try to duplicate the sprint booster over the last few years, all said similar things to you, 'it can be done for pennies compared to the SB' and none have done it.

Until you drive one with a SB, please keep your comments to yourself, because you sound very uninformed. Those of us who have been using these for years stand behind them, check the MB forums, same thing.