Thread: OEM muffler
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Old 01-02-2012, 03:21 PM
TNC TNC is offline
Dodge Ram Forum Senior Member
Join Date: Nov 2011
Location: Hawley, TX
Age: 63
Posts: 698
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Vehicle: 2012 Dodge Ram Express
Trim Level: Express
Color: White
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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TNC is on a distinguished road

It's more than fuel mileage and power that the manufacturer has to worry about. One of the biggest for them is sound level. Federal sound regs for new vehicles is pretty strict for manufacturers.
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