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How to Clean and Polish Exhaust Tips Like a Pro

Those swirl marks you see in sunlight? That's years of improper washing ground into your paint. But they're fixable.

Dull, blackened exhaust tips can ruin the look of an otherwise spotless car. Here is how to strip back the carbon buildup and road grime to get that mirror finish back.

B"W
Barry "Bazza" Williams Product Reviewer
| Updated: 26 February 2026
How to Clean and Polish Exhaust Tips Like a Pro

Aussie Conditions

Aussie red dust is iron-rich and bonds to paint. A regular rinse won't cut it—you need proper pre-wash and pH-neutral soap to avoid scratching.
Quick Summary

Look, there is no point spending all Saturday morning washing and waxing your rig if you're going to leave the exhaust tips looking like they've been dragged through a coal mine. Whether you've got a stainless steel system or just some chrome finishers, this guide covers how to get them shining again. We are talking about removing that stubborn carbon, baked-on red dust, and salt crust that we deal with here in Oz.

01

The Finish That Makes the Difference

I reckon the exhaust is one of the most overlooked parts of a detail. People get the paint glowing, the tyres dressed, and then leave this crusty, black pipe sticking out the back. It just looks unfinished. I remember a customer once brought in a beautiful VF Commodore, top-tier paintwork, but the quad tips were literally pitch black. He thought they were matte black from the factory! After twenty minutes of elbow grease, he couldn't believe they were actually polished stainless. In our Aussie summer, things get even worse. Between the 40-degree heat baking that carbon onto the metal and the salt spray if you're living near the coast, your tips take a beating. If you've been out west, that red dust loves to mix with the soot and create a kind of 'cement' that's a nightmare to shift if you let it sit. Truth be told, it's not a hard job, but you need the right gear and a bit of patience.
02

What You'll Need in the Garage

What You'll Need

0/9
Wheel cleaner or a strong APC — Something like Bowden's Own Wheely Clean works a treat on carbon.
Fine grade steel wool (0000 grade) — Crucial: Must be 'four-ought' grade or you'll scratch the hell out of it.
Metal Polish — Autoglym Metal Polish or Meguiar's NXT Generation All Metal Polish are my go-tos.
Microfibre cloths — Use old ones you don't mind ruining; they will turn black instantly.
A small soft-bristle brush — An old toothbrush or a detailing brush for the tight spots.
Nitril gloves — Carbon soot is a nightmare to get out from under your fingernails.
Bucket of soapy water — Just your standard car wash suds.
A drill-mounted polishing cone — Optional, but saves a lot of arm ache if the tips are really far gone.
Protective eyewear — Metal polish and soot flicking into your eyes is a bad Friday arvo.
03

Getting the Metal Ready

Tap each step to mark complete
01

Cool it down

Never, ever touch an exhaust that's just come off the highway. Give it at least an hour. I made this mistake on a black Commodore once, burnt my palm and the polish dried instantly into a crusty mess. Not fun.

02

The initial rinse

Blast the tips with a hose to get the loose grit and red dust off. You don't want to be rubbing sand into the metal in the next steps.

03

Decontaminate

Spray your wheel cleaner or APC liberally inside and outside the tip. Let it dwell for 2-3 minutes, but don't let it dry in the sun. Use your brush to agitate the thickest chunks of soot.

04

The Step-by-Step Restoration

Tap each step to mark complete
01

Dry it off

Wipe the tips dry with an old rag. You need to see exactly where the pitting and heavy carbon buildup is.

02

The Steel Wool Trick

If the tips are heavily fouled, take a small piece of 0000 steel wool and apply a bit of metal polish directly to it. Gently rub the metal in a back-and-forth motion. Don't go 'round the clock', follow the length of the pipe if you can.

03

Check your progress

Wipe away the black slurry frequently. You want to see the shiny metal starting to peek through. If it's still black, keep going with the wool.

04

Don't forget the inside

A lot of blokes only clean the outside rim. Reach about 2-3 inches inside the pipe with your wool. It makes a massive difference to the overall look.

05

Transition to microfibre

Once the heavy crust is gone, switch from steel wool to a microfibre applicator pad or cloth. Apply fresh metal polish.

06

The 'Shoe Shine' Technique

Loop your cloth over the top of the tip, grab both ends, and pull back and forth rapidly. This builds up a tiny bit of heat which helps the polish work better.

07

Focus on the edges

The very lip of the exhaust usually has the thickest carbon. Give this area some extra attention with your thumb behind the cloth.

08

Final Buff

Take a clean, dry microfibre and buff off the hazy residue. This is the satisfying part where the shine finally pops.

09

Inspect for pitting

If you see little black dots that won't come off, that's likely pitting in the metal. Don't go crazy trying to scrub these out or you'll burn through the plating.

10

Clean the surround

Check the plastic bumper or diffuser around the pipe. If you've flicked polish onto it, wipe it off now with a damp cloth before it stains the plastic white.

Watch Out

Be bloody careful with matte black or 'stealth' exhaust tips. If you use steel wool or abrasive polish on those, you'll rub the finish right off and end up with a patchy, semi-shiny mess. Those only need soap and water. Also, if your tips are cheap chrome-plated plastic (common on some modern SUVs), go very easy. If you're too aggressive, the 'chrome' will literally flake off like aluminium foil.

Pro Tip: Dealing with Red Dust

If you've just come back from a trip up north and that WA or NT red dust is baked onto the pipes, try a dedicated fall-out remover before you start polishing. The iron in the dust can actually bond to the heated metal. Something like Gtechniq W6 will help dissolve that bond so you aren't scrubbing for hours.

Pro Tip: Protection is Key

Once they're shiny, I usually chuck a bit of ceramic sealant on them. I've found that Gtechniq C5 Wheel Armour works great on exhaust tips because it handles high heat. It won't stop the soot entirely, but it makes the next wash ten times easier, the carbon just wipes off with a soapy sponge.
05

Keeping the Shine Alive

After 15 years doing this, I've found that the best way to maintain exhaust tips is just to include them in your weekly wash. Don't wait three months for the carbon to bake on like a ceramic glaze. Every time you wash the car, run your soapy wheel mitt over the tips (at the very end of the wash, obviously). In the middle of summer, the heat makes the carbon bond faster, so maybe give them a quick polish once a month to keep that deep lustre. If you live near the ocean, that salt air will try to pit the metal, so keeping a layer of wax or sealant on there is your best defence. Honestly, it takes two minutes if you stay on top of it, but two hours if you let it go for a year. Your call!
06

Common Questions from the Shed

Can I use WD-40 to clean my exhaust?
Look, it'll remove some grease, but it's not a cleaner or a polish. Plus, as soon as the exhaust gets hot, it'll smoke like a chimney and might even leave a brown stain on the metal. Stick to proper metal polish.
My tips are yellow/blue, is that normal?
That's 'heat bluing'. It happens to stainless steel when it gets properly hot. Some blokes love the look, but if you don't, a good metal polish and some elbow grease will usually take it right off. It'll come back though if you've got a heavy right foot.
Is 00 steel wool okay to use?
No! Don't do it. 00 or 0 grade is too coarse and will leave visible scratches that you'll never get out. Only use 0000 (four-ought). If you can't find it at the local hardware shop, wait until you can.
What if my tips are painted black?
Treat them like paint, not metal. Use a gentle car soap and maybe a light polish if they're scratched, but avoid anything abrasive or acidic. If the paint is peeling, your only real fix is a sand and a respray with high-temp VHT paint.
Will cleaning the exhaust affect my warranty?
Nah, not a chance. You're just cleaning the surface. Unless you're taking a literal angle grinder to it, you're fine. If anything, it shows you're actually looking after the car.

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