You've spent good money on genuine carbon fibre parts for your car. The weave looks sharp, the clear coat has that deep wet gloss, and every angle catches the light differently. The last thing you want is for that finish to deteriorate because of something easily preventable.
I get asked about carbon fibre care all the time, so I figured it was worth putting everything in one place. Whether you've just fitted a new carbon fibre upgrade or you've had parts on your car for a while, these tips will help keep them looking factory-fresh.
Understanding What You're Actually Protecting
A quality carbon fibre part isn't just raw carbon sitting out in the elements. It's a layered composite, and the outermost layer is a UV-resistant clear coat. That clear coat is your first line of defence against sun damage, chemicals, and general wear.
If you've read our post on how to tell real carbon fibre from fake, you'll know that cheap imitation parts often skip the UV-stable clear coat entirely, or use a thin single layer that breaks down quickly. Genuine parts, like everything in the RB Innovations range, use a proper UV-resistant gloss clear coat that's designed to last. But even the best clear coat benefits from regular maintenance.
Washing Carbon Fibre Parts
This is the foundation of everything. Get the washing right and you're 80% of the way there.
Use a pH-neutral car wash soap and a clean microfibre wash mitt. Nothing fancy, just the same quality wash gear you'd use on your paintwork. Avoid dish soap, household cleaners, or anything with harsh solvents, as these can strip wax, degrade sealants, and dull the clear coat over time.
A few practical tips I always mention:
- Wash carbon fibre parts with the same care you'd give your paint. If you wouldn't drag a dirty sponge across your bonnet, don't do it on your carbon fibre spoiler either.
- Rinse thoroughly before touching the surface. Grit trapped under a wash mitt will leave fine scratches in the clear coat, and those scratches scatter light and make the weave look hazy over time.
- Dry with a clean, soft microfibre towel. Water spots left to air-dry, especially with hard water, can leave mineral deposits that etch into the clear coat.
For engine bay parts like our carbon fibre engine covers, avoid high-pressure water directly on the part. A detailing spray and damp microfibre works better than a full wash. Engine bay carbon tends to accumulate a film of oil mist and dust, and a quick wipe-down every few weeks keeps it looking sharp.
Protecting the Clear Coat
Once the part is clean, protection is the next step. You have a few options here, and they range from dead simple to more involved.
Wax or Sealant
A quality carnauba wax or synthetic paint sealant works perfectly on carbon fibre clear coat. Apply a thin, even layer, let it haze, and buff off with a clean microfibre. This adds a sacrificial layer that protects against UV, water spotting, and light contamination.
Reapply every two to three months if the car lives outdoors, or every four to six months for garaged cars. It takes ten minutes and makes a noticeable difference.
Ceramic Coating
If you want longer-lasting protection, a ceramic coating is a solid option. A good ceramic coating bonds to the clear coat and provides hydrophobic protection for one to three years depending on the product. It makes washing easier, adds extra gloss, and gives strong UV protection.
The trade-off is that application needs to be done properly, with full decontamination and polishing beforehand. If you're not confident doing it yourself, a professional detailer can handle it. Worth the investment if you've got multiple carbon fibre parts on the car.
PPF (Paint Protection Film)
For parts that are in high-impact areas, like front splitters or canards (such as the ones we cover in our Kia Stinger GT upgrades guide), a layer of clear PPF is worth considering. It's the most expensive option but also the most durable. A good PPF will absorb impacts that would otherwise chip or crack the clear coat.
What to Avoid
This is where I see people make the most mistakes, so it's worth being direct about what not to do.
Don't use abrasive polishes or cutting compounds unless you know exactly what you're doing. The clear coat on carbon fibre parts is typically thinner than automotive paint, so aggressive machine polishing can cut through it quickly. If you have light swirl marks, a finishing polish by hand or with a soft pad on low speed is fine. Anything more aggressive, take it to a detailer.
Don't use tyre shine, silicone-based dressings, or all-purpose cleaners on carbon fibre. These leave residues that attract dust and can yellow over time, especially in direct sunlight.
Don't ignore bird droppings, bug splatter, or tree sap. These are acidic and will etch into clear coat if left to bake in the sun. A quick detailer spray and a microfibre towel is all you need to remove them.
Dealing with Yellowing or Fading
If you've picked up a carbon fibre part secondhand or from a less reputable seller, you might notice the clear coat yellowing or going cloudy. This is almost always UV damage from a clear coat that wasn't UV-stabilised.
Minor yellowing can sometimes be improved with a light polish and fresh sealant, but once the clear coat has broken down significantly, the only real fix is a professional respray. This is why I always recommend buying from brands that use quality UV-stable finishes from the start. It's cheaper in the long run than trying to fix a budget part later.
If you want to understand more about what separates quality carbon fibre from the cheap stuff flooding the market, our guide on spotting fake carbon fibre covers the key differences in detail.
Storage and Sun Exposure
If you're in a part of Australia that gets serious sun (most of us), parking in shade or a garage makes a real difference. UV is the number one enemy of any exterior finish, carbon fibre included. For parts you've removed temporarily, store them in a cool, dry place out of direct sunlight, wrapped in a soft cloth to prevent surface scratches.
A Quick Maintenance Schedule
To keep things simple, here's what I'd suggest as a routine:
- Every wash: clean carbon fibre parts with the same care as your paint. Remove any contamination promptly.
- Every 2-3 months: apply a fresh layer of wax or sealant (or as needed if you notice water no longer beading on the surface).
- Every 6-12 months: do a closer inspection. Look for any chips, scratches, or signs of clear coat deterioration. Catch issues early and they're easy to address.
- As needed: spot-clean bird droppings, sap, or bug residue immediately.
It's Not Complicated
Caring for carbon fibre parts isn't some dark art. It's the same as looking after good paintwork, with a bit of extra awareness about clear coat thickness and UV exposure. Keep them clean, keep them protected, and they'll look incredible for years.
If you're looking to add genuine carbon fibre parts to your build, browse the full range at RB Innovations. And if you've got questions about caring for parts you've already got, feel free to get in touch.