VHR Performance
Shop Nissan 350z PartsThe Fairlady Z
The Nissan 350Z, also known as the Nissan Fairlady Z33 in Japan, is a two-door, two-seater sports car that was manufactured by Nissan Motor Corporation from 2002 until 2009 and marks the fifth generation of Nissan’s Z-car line. The 350Z entered production in 2002 and was sold and marketed as a 2003 model from August 2002. The first year there was only a coupe, as the roadster did not debut until the following year. Initially, the coupe came in Base, Enthusiast, Performance, Touring, and Track versions, while the Roadster was limited to Enthusiast and Touring trim levels. The Track trim came with lightweight wheels and Brembo brakes, but its suspension tuning was the same as all other coupes. The Nissan 350Z was succeeded by the 370Z for the 2009 model year.
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Our Best Selling Nissan 350Z Products
2003-2006 350Z DE
GKTech 2003-2009 Nissan 350z / G35 Front Lower Arm Inner Spherical Bushing Upgrade
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2003-2006 350Z DE
$19.95
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2003-2006 350Z DE
GKTech 2003-2009 Nissan 350z / G35 Front Lower Arm Strut Mount Spherical Bushing Upgrade Pair
$109.00
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2003-2006 350Z DE
DND Nissan 350z / 370z / G35 / G37 Low Profile Steering Wheel Hub Kit
$93.95
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2003-2006 350Z DE
GKTech 2003-2009 Nissan 350z / G35 V2 Front Upper Camber Arms
$539.00
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ENGINE – VQ35DE – VQ35HR
The 350Z features a front-engine, rear-wheel-drive layout which is the standard recipe for a well-handling sports car. Between the front wheels sits a Nissan VQ35DE 3.5L V6 engine (VQ35HR in late models), capable of producing between 287-300 horsepower and 260-274 lb-ft of torque. In addition to having a sizable amount of power, the 350Z is also light, weighing in at around 3,200 lbs. While the 350Z provides pretty impressive performance from the factory, very few 350Z owners keep them in stock form. That’s likely because there are too many tempting performance-enhancing parts out there for them these days. In the 20 years since the 350Z’s release, it has become a favorite in multiple enthusiast communities and has huge aftermarket support. The massive aftermarket community surrounding the 350Z can make modifying one a bit daunting. It’s a choice overload type of situation. The most straightforward modifications you can throw on the car are coilovers or lowering springs, cold air intakes, and exhaust systems.
Shop engine modificationsEXHAUST
An upgraded exhaust is another 350Z modification that requires some thought. Like pretty much every other 350Z mod, there are tons of aftermarket options out there for the Z33 chassis. There are three main considerations to take into account: price, sound, and performance. Cat-back exhausts are without question the most common type of exhaust fitted to lightly modified Zs. Cat-back exhausts are exactly what they sound like. They replace all of the factory exhaust components from the catalytic converter to the exhaust tip. This type of exhaust is generally made of stainless steel to improve exhaust gas flow out of the engine, resulting in a bit more power and a lot more noise. Aftermarket cat-back systems can vary a lot in terms of their pipe diameter, tip diameter, and how they exit the vehicle. Some aftermarket 350Z exhausts are single-exit, but the vast majority are dual-exit like the stock exhaust. The sound produced by an aftermarket 350Z exhaust is heavily dependent on the diameter of the exhaust piping and the type of muffler that it employs. Better exhaust flow resulting in more power/torque, 10-20 horsepower / 10-25 lb-ft of torque gain, better exhaust tone, and improved exhaust aesthetics.
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SUSPENSION
One of the best handling-improving modifications that you can do to a 350Z, and most cars for that matter, is a set of good coilovers. One of the main gripes with the stock 350Z chassis is its relatively soft suspension and high ride height. While that makes the 350Z a good daily driver, it detracts from its performance potential. The topic of coilovers is nuanced, as they come in different shapes and sizes. With that being said, they all serve the same general purpose. In general, coilovers increase suspension stiffness over a stock setup which simultaneously allows a car to run lower to the ground. This results in your 350Z, in this case, cornering better by having better contact with the road and by having a lower center of gravity. Coilovers offer adjustable ride height, meaning that you can raise and lower your car by rotating an adjustment collar on the strut assembly. Some higher-tier 350Z coilovers offer additional features like adjustable damping, which adds another element of customization depending on your application. Damping is good for a daily driver that doubles as a track day car, as it allows you to adjust ride stiffness on the fly. There’s typically a knob that you turn either clockwise or counter-clockwise to soften or stiffen the ride. For daily driving, you can set the coils to a soft setting to handle road imperfections better or set them to a stiffer and more planted setting when you get to the track.
If you’ve spent any time browsing through 350Z suspension forum posts you’ve almost certainly encountered the inevitable coilover vs lowering springs debate. In my opinion, there shouldn’t even be a debate because there’s truly only one correct answer. While lowering springs might provide a solution to the dreaded 350Z wheel gap, they won’t provide the same performance that you’d see from a sturdy set of coils. Unlike coilovers, lowering springs are not height adjustable and use your car’s stock struts instead of replacing the entire suspension assembly. In order to provide a lower ride height, lowering springs are typically shorter springs with a slightly higher spring rate over the stock 350Z setup. With that being said, they lack almost all of the customizability that you’ll find with a set of 350Z coilovers. However, due to the fact that you are only replacing the springs, they come at a significantly lower cost. Lowering springs might be a good option for someone that is lowering their 350Z for purely aesthetic reasons. Due to the fact that you aren’t able to adjust ride height after the fact, it is important that if you opt to go the lowering springs route, you do your research and find the right spring rate for your desired application.
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COLD AIR INTAKES
A performance intake is an excellent option for those looking for a relatively inexpensive Z33 Nissan 350Z performance modification. Depending on how you look at it, a performance intake can be considered a great starting point or the finishing touch to a highly tuned-build. The purpose of an upgraded performance intake is to increase engine breathability over the stock setup. In general, the performance of an upgraded intake scales with engine performance, as highly modified engines can often be throttled by poor airflow.
Quite a few members in the 350Z community claim that the stock 350Z air box provides pretty good airflow for a stock setup. If you are on a budget, most Z33 enthusiasts recommend retaining the stock airbox but equipping it with a K&N drop-in filter. This increases the filter surface area and allows for better breathability.
In general, horsepower and torque gains from a 350Z cold air intake are marginal. However, they are a good option for those looking for a relatively inexpensive mod that will bump performance slightly. In most cases, you can find a good 350Z intake for a couple of hundred dollars. They are usually very easy to install. The biggest power gains from an intake are achieved when forced induction is added, but taking that out of the picture you can expect power gains in the 3-6whp range and torque gains around 2-4wtq.
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