Anyone using aftermarket kits for the Duramax ?. Any problems ?

 

Which kits?

I have heard good things from users of the DuraMaximizer and those using Propane injection. I have ssen some pretty heafty trucks (crew cab 4wd) pick-up some serious torque with just these two mods alone.

Richard

 

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif"> DuraMaximizer and those using Propane injection </font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">i have never heard of these. i have a friend wanting to get a little more power out of his new duramax. what are the DuraMaximizer and Propane injection.

 

http://www.duramaximizer.com/

http://www.dieselperformanceproducts.com/home.html

Here's a pic of it installed on Hoot's truck:
<img src="http://www.diesel-central.com/photogallery/pictures/Ad_7_5.jpg" alt=" - " />

Here's a link to a guy who ran a 14.21 with his 2500HD ext-cab 4x4 with a Juice & Powerplay boxes stacked.
http://forum.62-65-dieselpage.com/cg...=3&t=003686&p=