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Upgrades and Aftermarket - 6.0L Engine Upgrading or adding OEM or aftermarket equipment to your 2003-Up Super Duty or Excursion with 6.0L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

Thread: Anyone had problems from adding an exhaust system Reply to Thread
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  Topic Review (Newest First)
12-09-2010 03:11 PM
pabrannan Can't really tell much in just 20 Miles!!!!! Drive it more and do your calculations over the course of 2 or 3 tanks.

Paul B
12-07-2010 10:58 PM
dwc032 Hmm, I just put an MBRP turbo back no cat no muffler on about 300 miles ago and has been awesome. I havent gotten any better mileage.

Try disconnecting your battery and see if that resets your check engine light. Or borrow someones programmer to see what the problem is and/or clear the light. There is no censors or emissions hooked up to your exhaust. I would say it is something that has nothing to do with the install.

Good luck and keep us posted.
12-07-2010 09:50 PM
Anyone had problems from adding an exhaust system

I recently put on a 4 inch turbo back (3 1/2 down pipe) off road system (no cat) with no muffler on my 05 Excursion 4x4. I haven't drove it far (approx. 20 miles) since putting it on but something has already set the check engine light. It seems to lack on power in the mid range driving it normally and is getting worse mileage than with the stock exhaust. Before everyone goes and tells me the mileage loss is because you're driving it harder to hear you new exhaust that is NOT the case. I'm just wondering if anyone else has expierenced this or not and if so what needs to be done to solve the problem without putting the stock system back on??? Or could it just be by chance that something else has gone wrong that is non exhaust related to be causing this???

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