the fsd heat sync solved my problems of my 94' 6.5 stalling and hard starting.i pulled my camper up and down the mountains of west virgina with no problems. and my stock 6.5 is got 295,000 on it and it still runs strong.I will be ordering more parts from... ...read more From: paul p.
Amazin! Never knew my truck could run this smooth. With just the cold air intake, and new PMD. Can't imagine how much power I will get when I buy further upgrades. Very satisfied! ...read more From: Mike