I have the 5.7 with factory dual exhaust
I'm no stranger to modding cars and trucks,just not Dodge trucks.(my last Dodge was a 2001)
I don't do products from K&N,Amsoil,Magnaflow,Splitfire etc.Over hyped and over-rated IMO.
Originally Posted by MADDOG
Normally, engine HP and torque are improved by three things, outside of a stroker build and a significant power adder:
A few more details about your truck and I can probably point you in the right direction. Also, check out some of the thread here...lots of good info on what's worked and what folks have done to improve performance.