Join Date: Jan 2009
Location: Chuluota, Florida
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Does removing the Cat increase flow and potentially increase mileage? What is the overall advantage of removing the Cat? I understand the reason for removing the muffler is for sound, especially with todays high flow mufflers. Is that logic correct?
Also, does removing the Cat preclude dealers from warranty work on the truck? I have a 05 Ex with 26K miles and a ton of warranty miles left. Don't want to ruin that!!
Sorry OP, don't mean to hijack the thread, I am a diesel noob also.
2005 Excursion - Eddie Bauer
Zoodad w/ Z-Plate
4" MBRP TB Exhaust w/ 5" tip & No Cat
Dipricol Gauges on Order
Thule Rack on stock rails
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