aFe Large Bore-HD 4 IN DPF-Back Stainless Steel Exhaust System w/Black Tip (49-46113-B) 1584 BBK O2 extensions use OEM

BBK O2 extensions use OEM connectors and heat protective sleeves make installation a snap

TURBO INLETS

That’s why we developed military spec thermal blankets that provide better than OEM heat control for our Sport Headers and many other aftermarket headers

and pre-fitting before painting is advised to ensure optimal results

Many regulators

aFe Large Bore-HD 4 IN DPF-Back Stainless Steel Exhaust System w/Black Tip (49-46113-B) 1584 BBK O2 extensions use OEMLarge Bore HD Stainless Steel DPF Back Exhaust System with Single Side Exit (49 46113 B) by aFe. Exhaust System Type: DPF Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 4". Exhaust System Sound: Moderate. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Large Bore HD DPF Back Exhaust System. aFe dyno tests every system for maximum gains, and constructs