aFe Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System (49-43055) 1691 By ensuring a sealed system

By ensuring a sealed system we have improved on the IAT’s of the OEM airbox whilst at the same time increasing the internal volume to reduce the pressure drop and therefore reduce pumping losses of the turbo

N55 intake system consists of a number of components engineered to perform a specific purpose and fabricated to the highest of standards

The 2-piece design enables the Short Ram conversion

Overboost Protection Built In—Protects your engine from an overboost condition by shutting the boost control solenoid off until it is reactivated by you through the buttons on the faceplate

Outflows Factory Intake By Up To 34%

aFe Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System (49-43055) 1691 By ensuring a sealed systemLarge Bore HD 409 SS DPF Back Exhaust System with Single Side Exit (49 43055) by aFe. Exhaust System Type: DPF Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 5". 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 them from mandrel