Compression Ignition Addict
Join Date: Sep 2007
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Just out of curiosity....does a CAT delete really make that big a difference in MPG on these 6.0 rigs? I don't want to remove the muffler or replace the existing pipes.....but wondering if the cat test pipes help or not from an MPG perspective. My exhaust (2004) is all stock and I don't want it louder....just want more MPG and/or possibly more power.
And got me to thinking....sure would be smart of some entrepreneur to create a "test" pipe that has a cat look to it but really is a straight pipe inside. Would pass the visual inspection at least.
2004 F350 Crew Cab, DRW, Long Bed, 4x4
B&W Hitch, Edge CTS and EGT Probe, Dieselsite Coolant Filtration System
Firestone Ride-rite airbags with compressor, Blue Spring Update, CCV Reroute Closed Loop
Bilstein HD Shocks, DC Power 185 Alternator, 6.4 Starter