exhaust gone money in the bank

W

wood80

New member
I have just finished my first tank of gas since strait piping my 6.7 and got 20.1. My previuos best was 14.8 with only a MP8. This is also with 36 inch tires. 6speed manual
 
thats unusual, typically when people first strait pipe there trucks they hammer on them and get low mileage, solid go pedal control!!!!
 
Who's system did you use? Making a 6.7 a straight pipe isn't a walk in the park. You have several systems in conflict.

Who's system did you use? And, who's EGR plates?
 
I do, Around town i get about 10-11. That's with the Juice in 3 and it doesn't seem to matter if I am into it all the time, or just putting around. I think the around town mileage is more effected by how often you warm it up. On the highway, I have gone from 13, to 16 by doing the emission deletes.
 
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