04 F150 5.4L Magnaflow 11" duals ( rear cats deleted )





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Published on Aug 24, 2008

Recently deleted the rear converters. On the 2004 - 2005 F150s with 4 cat systems, the rear cats are not O2 monitored, so cutting them out frees up some restriction, gives you more volume and aggression, and does so without setting the CEL. So all in all, its still pretty much legal, has cats ( two front ones ) and the light is out, no leaks.

Exhaust specs as stated in the video,

Stock Manifolds
Rear Converter Delete
2.5" True Duals w/ X pipe
Magnaflow 11" Body Mufflers
Magnaflow 4x18" Rolled Tips

Mufflers part #11366 ( $69.22 ea )
Tips part #35117 ( $55 ea )
Mandrel Bent 2.5" system ( $230 )
Flanged 2.5" pipes with 4 U clamps ( $31 )

Total invested into my exhaust, $510.44


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