maryland
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R
3.7 exhaust question
Hi all, I tried to attach a Flowmaster 40 series to my 3.7 because I was told the exhaust we run stock on an 07 1500 is a 2.5” when in reality it’s a 2.25” could I just throw a 2.5-2.25 reducer on both ends and call it a day? Would it still pass MD emissions or will I need to keep an OEM muffler...- Redd37
- Thread
- 1500 3.7 exhaust flowmaster maryland
- Replies: 2
- Forum: Engine & Performance
