Long Tube Headers:
4-to-1 formed collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response.
Optimized Tube Lengths:
Tube lengths are optimized for true pulse control technology which improves flow and performance.
3/8" Laser-Cut Flanges:
These headers come with 3/8" thick 304 stainless steel laser-cut head flanges that are designed to match the head port for a leak-free seal.
Extension Pipes (Street):
Dual High Flow Catalytic Converters:
This system utilizes 400 CPSI (cell per square inch) catalytic converters are used for maximum flow.
Constructed of mandrel-bent dual 3" stainless steel piping to reduce back pressure and improve flow.
High quality OE style stainless steel flanges and band clamps are used for a complete 360 degree sealing surface.
The performance headers are designed to fit in the stock location with an included extension pipes which allows this system to fit without modification. This system incorporates OE style hangers, flanges and includes O2 extensions for a hassle-free installation.
2011-2013 Infiniti QX56 V8-5.6L
2014 Infiniti QX80 V8-5.6L
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.
All aFe headers and extension pipes are engineered and manufactured in our Corona, California manufacturing facility.