Magnaflow Performance Series 4 Inch Exhaust System - 15957

Magnaflow Performance Series 4 Inch Exhaust System

MagnaFlow's Performance Series Diesel System feature giant, fast-flowing, 4" mandrel-bent stainless steel tubing, and a polished stainless steel tip. The MagnaFlow systems incorporate mirror finished MagnaFlow Performance Mufflers with a straight-through design.

MagnaFlow Performance with a Lifetime Warranty

OEM-Style Barbed Hangers

Giant 5" Polished Stainless Steel Tip

You can expect significant gains in horsepower, torque, improved fuel economy and a lower EGT (exhaust gas temperature).

[MNF15957]
Gain up to 20HP and 20lbs of Torque!
Fits L6 5.9L Cummins Diesel Crew Cab / Long Bed 96 " Bed Length