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) I6-4.8L)
Paired opposite firing cylinders with equal, specifically tuned primary lengths maximizes scavenging and increases torque throughout the power band.
This system includes a hi-flow, ceramic, 400 cell per square inch, stainless steel catalytic converter for maximum flow and performance.
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.
100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks.
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.
Excludes 2-Door and Manual Transmission models.
This is a Race Only product that is to be used solely for competition, it cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. To complete the purchase of this item, aFe Power competition acknowledgement/liability release form must be filled out and submitted.
aFe Twisted Steel Headers are engineered and manufactured in our Corona, California manufacturing facility.
Year Make Model SubModel Engine Fuel 2001-2016 Nissan Patrol (Y61) w/ Auto Trans. I6 4.8L Gas
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