No Limit Fabrication 6.7 CP4 Disaster Prevention Bypass Kit Year:2020+ Only a 2% difference from

Only a 2% difference from front to rear cylinders in air flow

We have found that some brands have clearance issues and might cause the brake to hinder performance

faded plastic unit Ford supplied

PHP Hydra switcher plastic varies between their production runs

KC Whistler Stage 1

No Limit Fabrication 6.7 CP4 Disaster Prevention Bypass Kit Year:2020+ Only a 2% difference fromThis CP4 Bypass Kit reroutes the exit side of the failure prone CP4. 2 to send contaminated (metal flake) fuel back to the tank and spare the fuel system components from contamination and ultimately failure. This kit can save you up to ten thousand dollars in replacement costs from injectors, lines, gaskets and labor. This kit is 100% Made In America and of the utmost quality.