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Which Exhaust
I have just the DPF/cat delete and stock back. Someone had told me that the "muffler" that is on the back half is fake and it is truly a straight pipe. I was wondering if this truck needs to have some back pressure to get better MPGs... I am only getting 13mpgs hand calculated mixed driving
I have a F250 CC SWB 4x4 stock on stock 20's with the Goodyears and 3.55 gears with spartan 250 |
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Heres a bump
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MBRP 4" Dual Ford Exhaust System (Filter-Back)
Heres what im looking at... |
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