cfav508
New Member
- Joined
- February 2, 2009
- Messages
- 7
- Reaction score
- 0
- City, State
- Lancaster Pa
- Year, Model & Trim Level
- 2006 Explorer Limited
Ok so i have this new (to me) 06 v8 explorer. I want to do mods to it for MPG. I have done all the searches and read all the mods. Top 3 are CAI ( a true cold air intake not one that sits in the engine well sucking down hot air) a chip and exhaust.
This thread will be focused on the exhaust.
what is better a cat back dual system or a single system. I know it comes down to back pressure but i have seen where if you take too much away the engine has to work harder hence giving you worse MPG. So my question is what is the best approach?
This thread will be focused on the exhaust.
what is better a cat back dual system or a single system. I know it comes down to back pressure but i have seen where if you take too much away the engine has to work harder hence giving you worse MPG. So my question is what is the best approach?