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Some like it, some don't. It is really up to you. The smell bothers some people and then they go back to the CCV as it was. Do you see too much oil in the boots or dripping? If so, then maybe you should do it. If not, weigh the differences.
It's easy enough and not that expensive to do. Like Ken said, you can always switch it back. I've been real happy with mine. I've been running the Riffraff kit for over 100K miles. Riffraff Diesel: RDP CCV Kit
I have had both, I started with the CCV in stock configuration, did the bypass, then removed it a few months later. It kept the engine a little cleaner from oil (hard to tell through all the mud) but it smells, smokes and made oil seep from the dog house.
I made a catch can and it seems to be working its still hooked to the intake tube the can is about 6" tall and 4" pvc pipe with a scotch brite filter and a drain on the bottom i have only put 800 miles on it and got very litte oil out and no oil in the tubes sofor
If I left the boot clamps loose and never clean my engine, I would do the CCV mod.
But I keep my boots tight and I also keep my engine clean. So, I never did the CCV mod and I have no problems with the stink and smoke when running my truck in my shop. I know of a few people that returned theirs back to stock because of this.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.