Compression Ignition Addict
Join Date: Feb 2009
Location: Bay Area, CA
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When I swapped my exhaust to the 4" I also removed the cat with the delete pipe. A couple weeks ago I put the cat back in since it was going to the dealer for warranty work and the power loss was noticeable.
As soon as I got it home the cat came back out.
2005 F250 6.0L 4X4 Lariat
ARP Studs, MBRP 4" turbo back, Banks intake, SCT X3 w/Innovative tunes, Gauges + ScanGauge II,
BulletProof EGR cooler, CAT EC-1 coolant, Coolant filter, Blue spring fuel regulator, Atlas 40 FICM
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