Motorbike Exhausts

Boost your bike’s horsepower with a new motorbike or pit bike exhaust from our range

Whether you're a motorbike enthusiast or you’re looking to upgrade your bike’s performance, we’ve got the right motorbike exhaust system for your ride. 

At Sun City Motorcycles, we stock a huge selection of motorcycle exhaust systems and dirt bike parts to add some extra kick to your ride. Our entire range of products can be shipped Australia-wide, so you can spend less time waiting on the sidelines for your new parts to arrive. 

From titanium slip-on mufflers to exhaust hardware kits, silencers, replacement parts and more, we've got you covered. Check out our collection of motorbike exhausts and take your bike to the next level with Sun City Motorcycles.

Quality aftermarket motorcycle exhausts online

Unleash the true spirit of your ride with a premium aftermarket motorcycle exhaust. If you want to elevate your biking experience, our exhausts are your first step towards a lighter, more powerful ride.

Imagine your motorcycle lighter, more agile and bursting with added horsepower. Aftermarket motorcycle exhausts are all about refining your ride's dynamics, giving you enhanced handling and responsiveness. By optimising exhaust flow, aftermarket exhausts can unlock your bike's hidden potential and give you more thrilling acceleration and responsive handling. 

The sound of your motorcycle will subtly change, adding a richer, deeper tone as you cruise. Motorbike enthusiasts love aftermarket exhausts because they add character to your bike, not just for the improved performance and control. 

Make your bike yours with our motorcycle exhaust parts online. From slip on mufflers to brand-new exhaust systems, we provide fast delivery Australia-wide — so you won’t need to wait long to craft your perfect riding experience. For local shoppers, we can even help install your new purchase on your vehicle at our Geraldton store. 

Whether you drive a top-of-the-line sports bike or a competition-ready dirt bike, shop the range online and order now. 

FAQs about motorbike and dirt bike exhausts

How do I know when to repack a dirt bike muffler?

Repacking your dirt bike muffler regularly will reduce excessive noise while also increasing your bike’s power, as dirty packing limits the flow of exhaust from your dirt bike motor. 

You’ll need to repack your muffler if your bike sounds louder than usual or if your muffler is getting excessively hot. In extreme cases, your muffler may be blowing out the packing or your overheated muffler could be causing some body panels to warp and melt. 

We recommend repacking your muffler after every 10 - 15 hours of riding. This will ensure your dirt bike muffler doesn’t become too noisy or hot and will keep your bike in peak performance for longer. This is especially important for competitive riders, as a freshly packed muffler will perform better on the track than an outdated one. 

Should I upgrade my existing dirt bike exhaust?

Yes — depending on what you use your dirt bike for. 

For casual riders and weekend warriors, stock exhaust systems are generally powerful and reliable enough to get the job done. However, upgrading your exhaust to a new system can boost your speed, improve your performance and add more higher-end power or lower-end power, depending on your model of choice. 

Aftermarket exhausts are also quieter than stock exhausts, which makes them a great choice for competitive races with low decibel requirements. Plus, they produce a deeper rumble that sounds a lot cooler than stock exhausts! 

What are exhaust plugs used for? 

Exhaust plugs prevent water from getting into your engine through the exhaust port. This is essential when cleaning your bike, as your bike won’t start if it has water in the engine. 

We recommend always using an exhaust plug whenever you wash your bike – but remember to remove it before your next ride! 

However, each type of exhaust plug is a different size, so it’s important to find an exhaust plug that fits your port. Browse our full collection of dirt bike and pit bike exhaust accessories online and get the best fit for your bike at Sun City Motorcycles! 

What is the difference between 2-stroke and 4-stroke motorbike exhausts?

The main difference between 2-stroke and 4-stroke exhaust systems is in their design and functionality.

In a 2-stroke engine, the exhaust system is typically simpler and smaller compared to a 4-stroke engine. This is because a 2-stroke engine has a simpler design and has fewer parts compared to a 4-stroke engine.

In a 2-stroke engine, the exhaust system is responsible for removing exhaust gases from the combustion chamber and expelling them out of the exhaust port. The exhaust gases contain some of the fresh charge of fuel and air, which results in higher emissions and lower fuel efficiency.

In a 4-stroke engine, the exhaust system has more components and is more complex. It is responsible for removing the exhaust gases from the combustion chamber, but also serves to control emissions and reduce noise. The 4-stroke engine has a separate intake and exhaust stroke, and the exhaust stroke only expels the burned fuel and air mixture.

The different designs of the exhaust systems reflect the different ways the two types of engines operate. Overall, the main difference is in the complexity of the system and the specific requirements for each engine type.

For more information on motorbike exhausts, explore our range online or get in touch with our team! 

Pick up your new motorcycle exhaust parts today — we ship our full range of products Australia-wide!