48-36105-YN | AFE Power Twisted Steel Long Tube Header & Connection Pipes (2001-2016 Patrol L6-4.8L)

• 1-3/4" Primary Tubing, 2-1/8" Secondary Tubes, & 2-1/2" Collector
• 6-2-1 Tri-Y Design
• 3/8" Thick 304 Stainless Steel Head Flanges
• Optimized Tube Lengths for Improved Flow
• Retainles Facotry O2 Sensor Locations
• 2-1/2" Inlet/Outlet Connection Pipe Incorporates a Second Bung for a Wide-Band O2 Gauge or Auxilary Instrumentation

Testing:
In recent testing the “Street” version produced +24 horsepower and +27 lbs. x ft. of torque on our in house dyno. (Tested on a 2005 Nissan Patrol (Y61) L6-4.8L)

Tri-Y Design:
Paired opposite firing cylinders with equal, specifically tuned primary lengths maximizes scavenging and increases torque throughout the power band.

304 Stainless Steel Laser Cut Header Flanges:
High quality laser cut 304 stainless steel header flanges provides superior sealing at the head surface.

304 Stainless Steel Tubing:
High grade stainless tubing with a uniform brushed finish provides a beautiful look and high resistance to corrosion.

TIG-Welded:
100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks.

O2 Sensor:
Includes an additional bung for either a wide-band O2 gauge or auxiliary instrumentation.

Factory Mounting Locations:
2.5"Inlet/Outlet Connection Pipe mount directly to OE mounting locations.

Mandrel Bent Tubing:
This system is constructed of mandrel bent, stainless steel brushed tubing for maximum performance, corrosion resistance and strength eliminating cracking.

Fitment Note:
This item does not fit 2-Door or Manual Transmission models.

Emissions Disclaimer:
This product does not require a CARB EO# (Vehicle does not exist in U.S.)

aFe Twisted Steel Headers are engineered and manufactured in our Corona, California manufacturing facility