However, the process of modernizing the appearance requires a careful approach. Incorrectly installed elements can disrupt aerodynamics, cause problems with body geometry, or even cause an accident if they are not installed correctly. You need to know what materials to use and how to prepare the body before installation.
Types of body kit materials and their features
When choosing a kit for Nissan Primera P12 The first step is to decide on the material of manufacture. There are three main types of plastic on the market, each of which has its own pros and cons. The most common option is polyurethane, which is highly elastic and able to withstand minor impacts without cracking.
Fiberglass is tougher and more fragile, but at the same time cheaper. Such fiberglass body kit often requires individual modifications during installation, since it does not forgive errors in the geometry of the body. On the other hand, ABS plastic is considered the “golden mean”, combining strength and ease of processing.
- 🚗 Polyurethane is ideal for winter and bad roads, as it is springy.
- 🔨 Fiberglass - requires careful fitting and putty on the body.
- 🛡️ ABS plastic is durable, but can crack if hit hard in the cold.
It is important to consider the climatic conditions of your operating region. In northern latitudes, fiberglass can behave unpredictably, becoming brittle. If you live in harsh winter conditions, it is better to choose more flexible materials to avoid unexpected bumper failures.
Choice of style: from classic to aggressive sport
Range of styles for Persima P12 incredibly wide, which allows you to realize any fantasy of the owner. You can choose a discreet option that only slightly emphasizes the lines of the body, or a radical "Widebody" that visually expands the car to the limit. Classic body kits retain the factory spirit, adding only a little dynamics.
Sports kits often include not only bumpers, but also side skirts, as well as a rear diffuser with imitation exhaust pipes. This approach allows you to create a holistic image of a racing car. Remember that body kit style must be in harmony with the rims and suspension height.
For lovers of minimalism, there are “skirts” or splitters that are installed only on the front bumper. They do not radically change the silhouette of the car, but add sportiness to it. However, complete kits require all elements to be repainted in body color to achieve the perfect visual effect.
- 🏎️ Sporty style - aggressive lines, large air intakes and spoilers.
- 🌿 Classic - smooth transitions that preserve the original proportions of the body.
- 🔧 Custom - unique solutions created to order in a single copy.
Preparing the body for installation of aerodynamics
Before you begin attaching new parts, you need to prepare the car. This is a critical stage on which the durability of the body kit and its appearance depend. Start by thoroughly washing and degreasing the surfaces where you plan to install. Any dirt or dust under the plastic will cause corrosion or paint peeling.
If you are installing fiberglass elements, some site adjustment may be required. For this purpose it is used file or a sander. Take your time, remove the plastic little by little and try the part on the body. An ideal fit is when the gaps between the bumper and the fender are minimal and uniform on all sides.
In some cases, it is necessary to remove original elements, such as mud flaps or standard door sills. Do this carefully so as not to damage the body paint. Use special puller clips to remove plastic fasteners so as not to break them.
⚠️ Attention: Never screw the body kit to the bumper without first fitting and marking the holes. An error of 2-3 millimeters can result in the part not fitting into place, and you will have to drill new holes, which will ruin the factory plastic.
☑️ Preparation for body kit installation
The process of installation and fastening of elements
Installing the body kit requires patience and good tools. You will need a drill, a set of drill bits, a screwdriver and possibly a welder to install the threaded inserts. The fastening must be reliable, since at speed the plastic elements experience significant aerodynamic loads. Use only galvanized or stainless steel bolts and nuts.
Start installation from the front bumper, as it is the most complex in geometry. Fasten it along the edges, check the symmetry and only then fix the central part. After that, move on to the sills and rear bumper. Make sure that all screws are tightened evenly, otherwise the plastic may warp.
To improve the strength of the fastening, additional adhesive-sealant is often used at the joints. This is especially true for the front splitter, which is under constant air pressure. Apply the sealant in a thin layer so that it does not come out after it hardens.
- 🔩 Use metal thread inserts in plastic bumpers.
- 🧪 Apply silicone sealant to areas of maximum tension.
- 📏 Control the gaps between the body and body kit at all stages.
What to do if the body kit does not match the body?
If a part does not fit into place, do not try to force it with bolts. Most likely, the geometry of your car’s body is slightly different from the reference one, or the body kit itself has a manufacturing defect. Carefully adjust the part with a file, removing excess plastic from the inside until the gaps are perfect.
Painting and finishing
After installing the body kit, the stage of painting it begins. If you purchased primed parts, they must be carefully prepared for paint application. First apply a layer of epoxy primer to protect the plastic from moisture, then an acrylic primer filler to level the surface. Sand each layer until perfectly smooth.
It is better to choose paint of the same type as on the car body (for example, metallic or pearl). Apply the paint in several thin layers, allowing each layer to dry. The final step is to apply varnish to add shine and protect the color. Do not skimp on varnish, as this is what ensures the durability of the coating.
If you are not confident in your abilities, it is better to entrust painting to professionals. Poor quality painting can lead to rapid fading, the appearance of shagreen, or peeling paint. Paint quality directly affects the overall appearance of the car after tuning.
- Polyurethane (elastic)
- Fiberglass (cheap)
- ABS plastic (durable)
- I don't know, I need advice
Impact of body kit on aerodynamics and operation
Many owners think that a body kit is only needed for beauty, but this is not entirely true. Properly Designed aerodynamic body kit can improve vehicle stability at high speeds. A splitter at the front reduces lift, while a diffuser at the rear helps air flow out from underneath more quickly.
However, improper installation or an overly aggressive design can compromise aerodynamics. For example, a front splitter that is too high can catch on curbs and potholes, creating vibrations. Also, the body kit can change the vehicle's ground clearance, which is important to consider when driving over uneven surfaces.
In winter you need to be especially careful. Snow and ice can become lodged in the gaps between the bumper and body, placing additional stress on the mounts. Regularly clean the body kit of ice to avoid deformation of the plastic.
- 🌬️ Improved aerodynamics improve stability on the track.
- ❄️ In winter, the body kit requires regular cleaning of snow and ice.
- 📉 Changing the ground clearance may make it difficult to drive on bad roads.
Aerodynamics is not just speed, it is safety and stability of control at high speeds, which is provided by a well-chosen body kit.
Legal aspects and registration of changes
Installation of a body kit that changes the dimensions or appearance may require registration with the traffic police. In some cases, if the body kit is not part of the structure, its installation is permitted without registration, but this depends on the specific characteristics of the part.
If you plan to install wide arches or elements that change dimensions, you will have to undergo a certification procedure. This includes obtaining an order, installing a part, passing a technical inspection and making changes to the title. Ignoring these rules may result in fines and a ban on operation.
Before purchasing a body kit, consult with tuning specialists or lawyers. Find out how your specific body kit model is classified under the laws of your country. Installing a body kit without registering changes in the PTS can lead to problems when passing technical inspection and a fine for non-compliance with the design.
It is also worth considering that some elements, such as a front splitter that is too low, may be considered a road hazard. Inspectors may require such parts to be removed on site or a traffic ban until the violations are corrected.
- 📜 Check whether your body kit requires registration with the traffic police.
- 🚓 Consider possible fines for non-compliance with the design.
- 🛠️ Save receipts and certificates for installed parts.
FAQ: Frequently asked questions
Do I need to paint the body kit immediately after installation?
Yes, it is better to paint the body kit before installation or immediately after fitting, but before final installation. This will allow you to paint all hard-to-reach places with high quality and avoid paint getting on the car body. If you paint after installation, there is a risk of staining the body, which will require complex polishing.
What gap should there be between the body kit and the body?
The ideal gap is 2-4 mm around the entire perimeter. It should be uniform. If the gap is too large, it looks unsightly and can allow dirt to enter. If it is too small, there is a risk of contact and damage due to vibration.
Is it possible to install a body kit on a Nissan Primera P12 yourself?
Yes, installation is possible yourself if you have the tools and skills to work with body parts. However, for complex fiberglass kits that require filling and fitting, it is better to turn to professionals to avoid mistakes.
Does body kit affect fuel consumption?
The impact is minimal and often unnoticeable. Aggressive body kits can slightly increase aerodynamic drag, which could theoretically increase fuel consumption at high speeds. However, at city speeds the difference will be almost imperceptible.
What to do if the body kit is cracked?
The crack can be sealed on the back side with fiberglass and epoxy resin, or you can use a special repair kit for plastic. In the case of polyurethane, sometimes heating with a hair dryer is enough to return the shape, but cracks will require putty and painting.