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best MPG?

1K views 6 replies 6 participants last post by  chefred112 
#1 ·
I admit I know nothing about exhaust I dont even know where to start I have a 2013 qc with a vararam, 87mm PTB and tuner what is the best option to help with MPG?
 
#3 ·
Agreed ^

.... and For a few pennies more, change out the DS exhaust bank that runs under the transmission that has a nice restrictive crimp.
 
#7 ·
go underneath truck and follow the exhaust pipe from the exhaust manifolds, where they meet is the Y pipe.. dodge chose to pinch the pipe together to get it to fit a single pipe, this is the bottleneck of the exhaust. an aftermarket Y will merge the pipes where there isn't such a restriction...

 
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