
Corvette plastic splitters are a great way to enhance the performance and style of your car. These splitters improve aerodynamics by cutting through the wind, reducing drag, and allowing better control at higher speeds. They also add a bold, aggressive look to your Corvette. When installing a front splitter, it is important to be patient and organised, as you will need to remove several underbody panels to access the factory splitter's mounting screws and clips. You can smooth out the edges of your Corvette plastic splitters using a DA sander and epoxy.
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What You'll Learn

Sanding and epoxy coating
Corvette plastic splitters can be smoothed using a process called sanding and epoxy coating. This method is used to smooth out rough surfaces and create a glossy, professional-looking finish.
Before applying epoxy, it is important to prepare the surface by sanding it smooth. This process involves using sandpaper or a sanding tool to remove any imperfections or bumps on the surface. It is recommended to use 80-grit sandpaper or aluminium oxide paper to create a suitable texture for the epoxy to adhere to. The surface should be thoroughly abraded and any dust should be removed after sanding.
Once the surface is prepared, the epoxy coating can be applied. Epoxy is a type of resin that can be used to create a smooth, glossy, and durable finish. It is important to work in a well-ventilated area with moderate temperature and humidity levels to ensure the epoxy cures properly. The epoxy can be applied directly to the surface or onto a microfiber cloth, which is then used to spread the product evenly.
After the epoxy has been applied, it needs to be cured. Curing allows the epoxy to harden and create a solid, glossy finish. Once the epoxy is cured, it can be sanded again to smooth out any remaining imperfections. This process is known as wet sanding, where water is used with sandpaper to reduce friction and create a smoother finish. Sanding should be done slowly and methodically, alternating between horizontal and vertical lines to ensure full coverage and effective removal of scratches.
Finally, a fresh coat of epoxy can be applied over the sanded surface to create a smooth and even finish. This process may need to be repeated several times to achieve the desired results. It is important to wear a respirator or dust mask during the sanding process to avoid inhaling any harmful dust particles.
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Protecting with ABS plastic
ABS, or Acrylonitrile Butadiene Styrene, is a thermoplastic polymer with impressive strength, impact resistance, and temperature performance properties. Its versatility, durability, and ease of manufacturing make it a popular choice for protecting parts and devices.
ABS plastic is known for its excellent impact resistance, allowing it to withstand major hits without sustaining damage. This makes it ideal for applications that require durability and toughness. Its strength and stiffness, along with its ability to withstand loads and stresses, make it suitable for structural components and protecting underlying parts.
The versatility of ABS plastic is another key advantage. It can be easily molded and shaped through various processes such as injection molding, machining, and 3D printing. This adaptability allows for the creation of thin or thick forms, with the thicker material providing increased impact resistance and safety. ABS plastic is also fully recyclable. It can be melted down and altered as desired, reducing production costs and environmental impact.
In terms of protecting Corvette plastic splitters, ABS plastic can be used to create a protective layer. By cutting a sheet of ABS plastic to the size of the splitter and attaching it with brackets and bolts, you can safeguard the splitter from scratches and cracks. This method provides a cost-effective solution to protect the splitter from potential damage when driving over curbs or into driveways.
Overall, the durability, impact resistance, and versatility of ABS plastic make it a practical choice for protecting Corvette plastic splitters and other automotive components. Its ability to withstand impacts and its ease of manufacturing ensure a long-lasting and cost-effective solution for protection and aesthetics.
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Using bolts and aluminium angle
Corvette plastic splitters can be smoothed using bolts and aluminium angles. This method is preferred when one wants as few holes in the splitter as possible.
To start, one can use carriage bolts on the underside of the splitter to make it as smooth as possible. Aluminium angle can be used to keep things light. The bolts can be used through the uprights. One can also use aluminium flat stock to build lateral support. This can be bolted to the OEM radiator support on the frame rail of the car.
Another method is to use a sheet of 4' x 8' black ABS plastic. One can cut a sheet to the size of the splitter, then trace it out with a silver sharpie about an inch to give some extra protection around the splitter. Then, cut the sheet with a jigsaw and make some brackets to bolt the guard. After installing the brackets, mount the protector to the car.
One can also use skid plates or pucks to protect the splitter from touching the ground. These can be made out of titanium or steel.
Additionally, consider using a vacuum bag layup process to achieve a nice uniform finish. This involves sealing the entire piece in plastic and vacuuming out all the air.
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Removing and installing
To remove and install a front splitter on a Corvette, you will need to take off several underbody panels to access the factory splitter's mounting hardware. This will include removing screws and plastic clips.
First, locate the lateral under-tray panels on either side of the car, which are secured with 5 T15 screws each. Using a T15 Torx screwdriver, remove these screws one by one, being sure to label them with painter's tape to make reinstallation easier.
The factory splitter is also secured with 18 seven-millimetre screws and 6 plastic clips. Remove the screws with a 7mm socket, starting from the centre and working outward. Label the screws to make reinstallation easier. To remove the clips, insert a flathead screwdriver into the centre of each clip to release the locking mechanism, then gently pry them out with a trim removal tool.
With the factory splitter removed, you can now install your new splitter. Place the new splitter against the front bumper, ensuring it follows the bumper's contours. The new ACS Composite C8 Z06/E-Ray Front Splitter comes pre-drilled for perfect alignment.
When tightening the new splitter, be careful not to over-tighten, as this can strip threads or damage plastic holes.
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Cleaning and polishing
Firstly, assess the condition of the surface. If it is extremely dirty, start by pre-washing the surface using your preferred cleaning products. This step will remove any built-up dirt, grime, or road contaminants. Once you have pre-washed the surface, thoroughly rinse it with clean water and allow it to dry completely.
Next, you will need a high-quality detailing product specifically designed for plastic and rubber trim. ACS Composite's ReNew is an excellent option, as it is formulated to enhance and protect the appearance of these surfaces. After ensuring the surface is clean and dry, apply the ReNew product directly onto the plastic splitter. Alternatively, you can spray it onto a microfiber cloth or applicator pad, which is provided for free with the product.
The critical step is to evenly distribute the product across the surface. Using gentle, circular motions, work the product into the plastic splitter, ensuring complete coverage. This process will restore the appearance of the plastic, concealing any minor rock chipping and preventing white hazing, which is common on black paint. ReNew will leave a pleasant fragrance, along with a dry matte or shiny finish, according to your preference.
For the best results, it is recommended to repeat this entire process once a month or as needed. Regular maintenance of your Corvette's plastic splitters will not only improve its aesthetics but also extend the lifespan of these components. Additionally, combining ReNew with CFZ Wax will ensure your Corvette maintains its showroom shine.
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Frequently asked questions
Corvette plastic splitters can be smoothed by applying a product like ACS Composite's ReNew, which helps to maintain the appearance of plastic. You can also try using a DA sander to smooth out the surface.
Aside from ReNew, CFZ Wax is another product that can be used to maintain the appearance of plastic Corvette splitters.
To install a front splitter on a Corvette, you will need to remove the factory splitter by unscrewing the screws and removing the plastic clips. You can then install the new splitter by aligning it with the front bumper and securing it with screws and brackets.










































