RX8 OEM aftermarket parts are the non-genuine replacements and performance upgrades Mazda RX8 owners reach for when they want reliable, purpose-built alternatives to stock components. Whether you are refreshing a worn component or building toward a specific performance goal, this range gives you considered options across cooling, drivetrain, handling and more.
RX8 Model
Price Range ($)
Category
Brand
Colour
Originally I thought the RX-8 logo wheel centers were just too small to make a styling difference. I was wrong. The dark background brings a little bit of contrast to a basically "silver" wheel. Also the three-dimensional aspect of the RX-8 logo wheel center cuts the flat look of the stock centers. Even though they are small I believe they actually give the car a real "sharp" look. Pictures don't do them justice.
The bars are out of this world. At first when I saw the picture on the autoexe catoluge they look small but in person the bars are huge. Similar to the Cusco design of hollow strut bars these autoexe bars are the same, having a hollow design. The autoexe kit also came with an authentic serial code and were carefully designed to fit with no problems. The front lower arm bar is very strong made out of steel and hollow inside. The front lower arm bar attaches onto the lower arm and onto the frame. In a X Brace member design. Unlike the cusco bar and the mazdaspeed the Autoexe lower arm bar is pinched between the lower arm and the chassis. With each ends conected to the two bolts of the lower arm. (Hard to describe but look at the pics) The rest of the bar connects onto the frame. There is a small kit that wedges/attaches itself onto the frame without drilling anything. The bar is also slanted on the right side for the header/downpipe. Overall I'm very happy with the bars. The quality of the autoexe bars are excellant and the packaging and handling of the bars are superb. I found my turn in using the autoexe bar was more responsive then my old Cusco lower arm. As well my rear is more stable when exiting out of corners. The best part about these bars is probably the front member brace and the triangualar rear brace that strengthen up the chassis. Because with my current suspension setup to the max and without my roll cage installed yet, my cars chassis is flexing from the pressure and stress buildup that I put on it at the track. For the price I'm very satisfied. Even though the price isn't cheap and in some cases you can buy a car, but the bars are definatley worth the money.
HKS Hi-Power Cat-Back Exhaust with Titanium Tip for Mazda RX8 (Series 1 & 2, 2003-2012)
I agree with this. I have an HKS cat back w racing beat mid pipe and it sounds exactly like this. A quiet yet decent pitch rumble and it sounds great. Not over the top and not too quiet
I am happy with the mod. Very happy. Taka s recommended first mod list: Sway bar. Odula intake or similar. Brake pads.
HKS Hi-Power Cat-Back Exhaust with Titanium Tip for Mazda RX8 (Series 1 & 2, 2003-2012)
I say hks hi power (im a happy owner of it)
HASEPRO MAKE MAGICAL STUFF!
RX8 OEM aftermarket parts are the non-genuine replacements and upgrades built to a documented application, chosen by owners who want a reliable alternative without compromising on fit or purpose. Therefore, consider where each part sits in your build and what standard you want the car to meet.
This collection spans straightforward replacements for worn components through to purposeful upgrades. For example, these improve response, cooling, control and everyday drivability. Every part listed here has a documented application. Also, check individual product compatibility before ordering, particularly if your car has already been modified.
Owners searching for RX8 aftermarket parts Australia-wide will find a specialist catalogue here, not a general-purpose parts site. That distinction matters. For example, the rotary engine has specific demands around cooling, oil management and airflow. A generic catalogue does not account for those demands. Therefore, the options in this range are selected with those requirements in mind.
The decision between genuine and aftermarket components is not always straightforward. Genuine Mazda parts remain the factory-correct choice where original calibration and fit are non-negotiable. In addition, for some safety-critical or emissions-related components, that is clearly the right call.
However, for the broader range of RX8 OEM aftermarket parts, a quality aftermarket alternative can match or exceed the original. This applies particularly to performance, cooling, suspension and interior upgrades.
Finally, browse with a clear idea of the job each component needs to do. Select on documented purpose, confirmed fitment and how each part contributes to your build. As a result, the right RX8 OEM aftermarket parts keep your car consistent, whether as reliable daily transport, a refined weekend driver or a car built to perform.
Genuine Mazda parts are factory-original components made to the exact specification the car was built with, which matters where precise calibration or OEM fit is critical. Aftermarket parts are non-genuine alternatives that may suit owners seeking a specific replacement solution, a performance upgrade, or a component that better fits their build direction. The right choice depends on the part's role and your priorities for the car.
Yes, many aftermarket parts are a practical choice for straightforward repairs or component replacement on an otherwise standard RX8. Choosing a quality new aftermarket part avoids the uncertainty of fitting a used component with an unknown service history. Always check the individual product's stated compatibility before ordering.
Check the fitment and compatibility information listed on each individual product page before purchasing. The RX8 was produced in two series with some differences between them, so confirming your car's series and build details is important. If you are unsure, the product description will specify which variants or model years the part suits.
Aftermarket parts are commonly used in performance-focused RX8 builds to refine specific areas such as response, cooling, control or power delivery. The key is selecting components that work together as part of a considered plan rather than fitting them in isolation. Review each part's intended application and how it interacts with the rest of your setup.
Rotary engines have specific operating characteristics that make part selection particularly important, and quality aftermarket components from reputable manufacturers are widely used on RX8s without issue. The critical step is ensuring the part is appropriate for its intended application and compatible with your car's current state of tune or modification. Always review individual product specifications and, where relevant, consult a specialist familiar with rotary engines.
Warranty implications depend on the age of your vehicle, the nature of the warranty in question, and Australian consumer law as it applies to your situation. Most RX8s in circulation are well beyond their original manufacturer warranty period. For any vehicle still under a dealer or extended warranty, it is worth confirming with that provider before fitting non-genuine components.
Availability varies by part and category. Some aftermarket components are compatible across both RX8 series, while others are specific to Series 1 or Series 2 due to differences in engine management, body panels or other specifications. Each product listing will state which series or model years it suits, so always verify fitment before ordering.
