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Nissan Motors has created a legacy with its Z-car lineup of sports cars. The Z-car family of vehicles began in 1969 with the 240Z (AKA Fairlady Z in Japan) and has maintained its success with the current 370Z model. Now in its sixth generation of the sports car, Nissan has pushed the envelope of technological advancement with each successive model.
The all-new 370Z incorporates outstanding advancements in both mechanical and electronic features alike. Powered by the 3.7-liter VQ37VHR dual-over-head-cam V6 engine, the 370Z generates an impressive 332 horsepower (at the flywheel) in stock form. This abundance of power is made possible by utilizing Nissan’s Variable Valve and Lift Control technology (VVEL). Nissan’s VVEL variable valve timing technology allows the VQ37 engine to be more efficient while improving response and power output at higher RPMs.
In order to harness the power of the 370Z’s V6 engine, Nissan invested particular attention to the 370Z’s power delivery system. To transfer the power to the rear wheels, Nissan couples the powerful engine to either a 7-speed automatic transmission with paddle shifters, or a 6-speed manual transmission that features the first ever synchronized downshift rev-match system.
When upgrading a vehicle such as the 370Z, enthusiasts expect a high caliber of technology from their performance parts as well. AEM has accomplished incredible technological advances with their Electronically Tuned Intake (ETI) technology. The great news for 370Z enthusiasts is that a new ETI Cold Air Intake System is now available for the 2009 Nissan 370Z (part number 41-1001P).
To match up to the VQ37’s dual throttle bodies, the 41-1001P is comprised of dual mandrel-bent aluminum inlet tubes. Each highly polished 2.75-inch inlet tube originates at the throttle body and routes to the left and right wheel wells. It is in the wheel wells that DryFlow performance air filters are mounted to each inlet tube. The oil-free DryFlow technology is very durable and easy to clean. To take the filtration properties of the DryFlow performance air filter even further, AEM offers Filter Wraps that are manufactured from durable micro-screen materials that are pretreated with a proprietary hydrophobic process. AEM filter wraps repel water splashes and extend the filters service life. For the 41-1001P air intake system, AEM Filter Wraps are available as a separate accessory (part number 1-4000).
In order to clear enough space for the DryFlow air filters, AEM includes a custom designed windshield washer fluid reservoir with each 41-1001P air intake system. Each 370Z air intake system also includes two pre-programmed ETI modules. Both of the 370Z’s Mass Air Flow (MAF) sensors plug directly into an included ETI module, which are specifically programmed to read the proper air density data. The result is more horsepower and torque gains.
In the case of the 370Z, the VQ37 engine responded well to AEM’s ETI technology. The 41-1001P cold air intake systems improve the 370Z’s power output from the stock baseline of 241 hp to a peak of 250 hp with the intake installed. In addition to enhancing the peak horsepower performance, a maximum gain of 9.67 horsepower was also recorded at 7,100 RPM during AEM’s testing. As seen on the dyno graph, a vast improvement is made from 6,600 RPM until the VQ37’s redline.
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