The 350Z had to appeal to a wide range of potential buyers, which meant the ride had to be compliant, resulting in less-than-ideal handling. Nissan designed the 350Z as a sports car, but that doesn’t mean they could give it stiff and precise handling characteristics. With improved flow, power is increased and your VQ will ultimately run better.Īnother popular modification you’ll find on almost any car, especially a JDM tuner car is the suspension. Nissan did a decent job with the OEM header, but they used a cast design that offers limited flow on top of being very heavy. Headers are used to route the exhaust gases from the heads to the main system. They construct their single exit exhaust from high-quality T304 stainless steel and use a burnt titanium canister for an awesome look. There are a lot of great aftermarket exhausts on the market, but the best-selling and best-sounding 350Z exhausts come from Agency Power. Like any modern car, Nissan had to make sure the 350Z met emissions and noise standards. The idea behind an aftermarket exhaust is to increase flow with larger piping and also increase sound. Not only are these brighter, safer, and condensation-free, but they also look great!Īs you probably know, an aftermarket exhaust is a popular modification for basically any car on the road. The quicker and more appealing solution is to replace your taillights with a pair of aftermarket LED taillights. While you could go through the process of opening your taillights and then resealing them, but that’s a time-consuming process. The end result is condensation inside the taillight. Eventually, water will get into the taillight housing since the seal is broken, but the water never really leaves the taillight. This problem occurs when the seal of the taillight becomes brittle with heat, cold, and age. Unfortunately, one of the issues many 350Z owners face is taillight condensation. Considering how cheap plenum spacers are, it’s genuinely the best bang-for-buck modification for any DE-powered 350Z. Most times, you’ll see 15+ horsepower from adding a plenum spacer to your 350Z. It’s a weird problem to have, but all VQ35DE engines suffer from it.īy the time they introduced the VQ35HR, Nissan knew of the problem and fixed it with the new HR engine. By spacing the upper and lower parts of the plenum further apart, you increase the volume of the plenum which solves the air distribution problem. A plenum spacer is just a metal spacer with the shape of the plenum. On the 350Z, the plenum is split into two pieces: an upper and a lower. This airflow problem is where plenum spacers come into play. The culprit of the air distribution problem is the size and design of the intake plenum. On the VQ35DE (not HR) the intake manifold does not evenly distribute air to each cylinder. Unfortunately, the 350Z is not one of these vehicles. Most of the time, the manufacturer gets the design perfect, and other than mild polishing there is no benefit to modifying the intake manifold. Most vehicles use a one or two-piece intake manifold which makes the manufacturing process more straightforward and aid in assembly. To help you determine what modifications are best for you, we created this short list of the best bang-for-buck modifications for your Z. Of course, there is a massive aftermarket for the 350Z and deciding what mods to install first can be a daunting task. You can pick up a Z33 for super cheap and with some simple modifications, build a car that easily competes with much newer sports cars. Whether you love or hate the 350Z, there is no denying that it’s becoming one of the most popular tuner cars on the second-hand market.
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