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Supplier details checked 2026-09-23 · Test catalog
Twisted Steel 304 Stainless Steel Race Series Performance Package Nissan Patrol (Y61) 01-16 L6-4.8L
Twisted Steel 304 Stainless Steel Race Series Performance Package
2-1/2" Inlet/Outlet Connection Pipe Mounts Directly to OE Mounting Locations
1-3/4" Primary Tubing, 2-1/8" Secondary Tubes, & 2-1/2" Collector
Fits 4-Door with Automatic & Manual Transmissions
3/8" Thick 304 Stainless Steel Head Flanges
Optimized Tube Lengths for Improved Flow
Retains Factory O2 Sensor Locations
6-2-1 Tri-Y Design
aFe Power Twisted Steel Header 01-16 Nissan Patrol (Y61) I6-4.8L
Twisted Steel Race-Series Header
Twisted Steel Header
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. 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. 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.
