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exhaust again?

8K views 20 replies 13 participants last post by  ajacks3 
#1 ·
I know the forum has discussed how an aftermarket exhaust For the Jeep WK Diesel has little to no gain. Update on the Magnaflow, they are making a DPF back 3 1/2" (not 3") mandrel bent tubing with a muffler. So my question is MBRP makes a DPF back 3" Tubing with no muffler. So bigger tubing with muffler or smaller tubing without muffler? Any thoughts?
 
#9 ·
That would be awesome to hear. How is the power on the HOT tune vs the ECO tune? Is it even worth getting the ECO tune? What's your mileage comparing the two? Thanks Rainier!

Rainer, that would be very interesting and cool.

Since I've ordered the new GC '14 Diesel here in Switzerland, I' very amused about 'tuning-tips' for the Diesel engine.

Your 2014 GC Diesel is not a Mercedes diesel so these tunes will not work with your vehicle.
 
#10 ·
I prefer to keep the emissions control systems in working order, so I still have the cat and dpf on my '07. However, when I put the 3" MBRP kit on, I did get better economy and smoother sifting. My wife really noticed it, but did not object to it being a bit louder.

The factory exhaust on the WK CRD is actually pretty good, so improvements are subtle.

the GDE Eco Tune was by far the biggest upgrade, but the MBRP exhaust is visible and adds a nice touch
 
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