The K&N 69-7078TS Typhoon cold air intake is an aluminum tube air induction system with an oversized air filter built for the 3.7L VQ V6 in 370Z and G37 models. It comes with dual black rubber-topped K&N high-flow air filters and heat shields that install into the previous air box spaces. Owners on user forums say the intake changes the exhaust note noticeably above roughly 3,000 rpm, which many buyers prize more than the modest power gain. Compared with a drop-in filter, this kit replaces the restrictive factory housing and tube with a smoother mandrel-bent path, and the manufacturer lists an estimated gain of 14.2 HP @ 5600 RPM and an estimated torque gain of 13.34 lb-ft. Search terms: 370Z Typhoon intake, G37 cold air intake, VQ37VHR intake upgrade, K&N 69-7078TS install.
Fitment and DIY context matter here. Application years differ between sources, so confirm your exact model year and trim before ordering. The manufacturer's install sheet calls for disconnecting the negative battery and noting radio codes first, and it recommends keeping the factory intake rather than discarding it. A typical air intake installation can be done with a screwdriver, pliers and a ratchet-set in 90 minutes or less, according to the manufacturer's own copy. Owners on user forums report that the passenger-side hose can kink and that the engine cover may need the heat shields moved to fit. The filter is washable and reusable, and the kit carries the manufacturer's No-Hassle Lifetime Limited Warranty.
The manufacturer lists CARB EO number D-269-109 and states the kit is legal for use in all 50 states. Some sources list a different CARB number, so confirm the EO number with the manufacturer before ordering if emissions compliance matters in your state.
Yes. The manufacturer's kit replaces the factory air filter and intake tube, with the filters sitting in the original air box spaces. The manufacturer recommends keeping the factory intake rather than discarding it.
Owners on user forums report that the 370Z and G37 engine covers differ in size, and that moving the heat shields slightly allowed the cover to fit.
This is a moderate DIY job for a home mechanic. The manufacturer's install sheet lists a ratchet with extension, 13mm and 10mm sockets, screwdrivers, pliers, a 3mm Allen wrench, and a 10mm wrench. Disconnect the negative battery cable only after writing down radio presets, since some radios need an anti-theft code. Remove the engine cover, the passenger mass air sensor, and the air box. Owners on user forums warn that the passenger-side hose can kink and that the short tubes can heat soak, and some wrap the tubes with thermal shielding. Use only the hardware supplied with the kit, because the manufacturer warns that skipping it can damage the intake tube, throttle body, or engine.
