AFE: Large Bore-HD 4" 409 Stainless Steel DPF-Back Exhaust System Ford Diesel Trucks 11-14 V8-6.7L (td) st689 WEAPON-X Griptec Upper Pulley -

WEAPON-X Griptec Upper Pulley - Stage 3:  Our custom spec pulleys have an interchangeable hub and the Griptec technology for the belt to grab instantly allowing no belt slip and boost builds faster and you're ahead of the normal power curve

Increases to Next Sound Level

- 1 hour installation time

Record log files to MicroSD Card

-Hard anodized forged aluminum spring perch

AFE: Large Bore-HD 4" 409 Stainless Steel DPF-Back Exhaust System Ford Diesel Trucks 11-14 V8-6.7L (td) st689 WEAPON-X Griptec Upper Pulley -The new Large Bore HD exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4" stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. This system is available in 4" dpf back without muffler and a polished tip. Large Bore HD exhaust systems are the perfect combination of performance, fit and value. Installation is a Snap: All systems use factory mounting