aFe MACHForce XP Exhaust Cat-Back 2.5in SS-409 01-19 Nissan Patrol L6 4.8L (4-Door Only) - 49-46118 fits_1977-1983`BMW`3 Series 5 Layer Oiled Cotton Gauze

5 Layer Oiled Cotton Gauze Media

Deep Aggressive Tone Muffler

0" Free-Flow Architecture: Reduces back pressure for sharper throttle response and a cleaner top-end note

The aFe Bladerunner Turbo Inlet Manifold increases performance to your Duramax by 9hp and 23lbs x ft

This 6 IN tall 360-degree radial flow air filter features a 4-1/2 IN flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience

aFe MACHForce XP Exhaust Cat-Back 2.5in SS-409 01-19 Nissan Patrol L6 4.8L (4-Door Only) - 49-46118 fits_1977-1983`BMW`3 Series 5 Layer Oiled Cotton GauzeThis MACH Force XP Cat Back exhaust system is constructed of 2 1 2 IN mandrel bent stainless steel tubing and comes complete with free flowing muffler, OE style bayonet hangers, band clamps and all hardware necessary for a hassle free installation. The smooth curves and increased diameter of this exhaust system helps remove restriction and keeps exhaust gas flowing smoothly for increased horsepower and torque. This system produced +11 horsepower and