17-20 Powerstroke 6.7 aFe Large Bore-HD 4" Dual Exhaust System Tips:Black YUKON GEAR & AXLE HELICAL

YUKON GEAR & AXLE HELICAL LIMITED SLIP DIFFERENTIAL LOCKERS

New trim valves increase mainline pressure

3" mandrel bent tubing supplies your engine with 102% more air than the OEM y-bridge it replaces

C3 includes: 5 friction plates

the Holset Cheetah does not require any expensive kit or specialized tuning

17-20 Powerstroke 6.7 aFe Large Bore-HD 4" Dual Exhaust System Tips:Black YUKON GEAR & AXLE HELICALFlow and Performance: This Large Bore HD exhaust system is 100% hand MIG welded and Constructed from 4" mandrel bent 409 stainless steel tubing for maximum flow. The smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's. A mitered merge collector is also incorporated to eliminate dead space that can cause turbulence and hinder flow. Perfect Fit: This system uses all factory mounting locations providing