RX8 OEM Aftermarket Parts: Upgrades, Replacements and Performance Options

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.

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$ 20 $ 13000

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Bolt-on 75mm SUS304 cat-back system with a burnt titanium outlet, freeing rear exhaust flow and giving the Renesis a fuller, crisper rotary note.

$1,900 inc GST

Widens each front guard by 20mm on Series 1 models, opening up wheel clearance and delivering a purposefully broader front stance.

$1,500

Aluminium locating collars that remove factory mounting clearance, making the RX8 feel quieter, smoother and more tied together over bumps.

$190

Full-carbon adjustable rear wing for RX8 owners building a purposeful exterior. The carbon weave finish and adjustable angle suit both street and show builds.

$1,260

Out of stock

Blue-tinted anti-glare glass cuts harsh headlight glare from following traffic at night, while adding a clean blue accent to the RX8 cabin.

$160

Sharpen the Series 1 bumper profile with a urethane lip that arrives unpainted, ready for a precise colour-matched finish.

$1,080

Carbon-fibre housings and integrated LEDs give the Series 1 rear end a sharper, more deliberate look than the factory lamps.

$2,400

Leather-trimmed, flat-bottom RX8 red stitch steering wheel with a thicker rim and thumb grip. Retains airbag and switch compatibility.

$600

Upgraded Nappa leather flat-bottom wheel with AUTOEXE emboss, dimpled thumb grips, and red contrast stitching. Factory airbag and controls fully retained.

$600

Replace isolated intake parts with a coordinated ODULA, KTS and GREDDY TRUST induction package for sharper throttle response.

Price range: $90 through $390 inc GST

Tubular stainless header that sharpens throttle feel, frees the Renesis to rev, and transforms the exhaust note.

$1,400

Stainless RX8 cat-back exhaust with a 60.5mm main pipe and oval 110x95mm tip. Sharper response, refined sports tone, no highway drone.

$1,650

Higher torque and faster cranking for every Renesis start. Addresses hot-start trouble and weak turnover across all 2003-2012 manual RX8 models.

$390

Eliminates driveline play at the differential and subframe to deliver sharper gear changes and a more settled, connected feel through every corner.

$380

Factory rear lamps replaced with 160-LED Red Jewel assemblies and selectable sequential indicators. Direct plug-and-play fit for all RX8 years, no wiring cuts needed.

Original price was: $1,500.Current price is: $830.

Smoked lenses, 160 high-brightness LEDs and selectable sequential indicators give your RX8 a sharper rear signature with a genuine plug-and-play fit.

Original price was: $1,500.Current price is: $830.

Raises charging output from roughly 90A to 150A, giving accessory-heavy RX8 builds genuine electrical headroom and stable ignition voltage all the way to the redline.

$780

Ditch the factory prop rod for gas-assisted bonnet support that holds hands-free. Cleaner bay access on every service, detail or show.

$360

Stick-on RX8 headlight protection film that clears yellowed Series 1 lenses and locks that clarity in for good.

$140

Adds a dedicated right-hand-side oil cooler to Series 1 RX8s. Its GREDDY core is rated at 9,800 cal/h to protect the Renesis rotary during track sessions, sustained highway runs and hot-weather driving.

Original price was: $1,200.Current price is: $950.

What owners are saying

AUTOEXE Motion Control Beam Front and Rear for Mazda RX8 (Series 2, 2009-2012) AUTOEXE Motion Control Beam Front and Rear for Mazda RX8 (Series 2, 2009-2012)

Night and day difference, even on a bone stock suspension. While installing the AutoExe front strut bar greatly enhanced steering response and turn in, the handling improvements from it was very subtle. Likewise with the AutoExe tie bars installed in the front and back of the car. More solid feel, less suspension parts deflection under cornering loads. These Motion Control Beams took away the vibrations that are slightly felt in the steering wheel from small road surface imperfections. It also took away the bumps felt from pavement gaps and mostly the rumble felt from railway crossings and brick roads. Going through small pot holes and road patches, the stock suspension is finally doing its job to dampen away those bumps and doesn't get fully transmitted throughout the entire car. Big bumps, you don't hear a loud hollow "thump" emanating from the back of the car. Just a solid "thud". The car used to understeer and now it hardly does. It handles quite neutral now, even on bone stock open differential, and did I already say bone stock suspension? This is win win, all around, without sacrificing anything.

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.

Mazda RX8 aftermarket parts for every stage of ownership

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.

What this range covers

  • Maintenance and replacement: A new aftermarket component fitted to a known specification is more dependable than a used genuine part. Moreover, an unknown service history adds risk across cooling hoses, filters, sensors and seals.
  • Mazda RX8 upgrade parts: Where a stock component is functional but limiting, an upgrade part helps. For example, it can improve throttle response, reduce heat soak or tighten handling consistency. Therefore, target the area that matters most to how you drive.
  • RX8 performance parts work best as part of a coherent plan. For instance, an intake upgrade pairs naturally with an exhaust improvement. Similarly, a handling change often calls for complementary tyre and alignment work. Think in systems, not individual items.
  • Fitment confidence: Always confirm the stated application and series compatibility before purchase. In addition, fitment details are listed per product and are the reliable reference point.

Aftermarket versus genuine: choosing the right approach

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.

Frequently Asked Questions

What is the difference between genuine Mazda parts and aftermarket parts for the RX8?

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.

Are aftermarket parts suitable for a standard RX8 that just needs a repair?

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.

How do I know if an aftermarket part will fit my RX8?

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.

Can aftermarket parts be used as part of a performance build on an RX8?

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.

Is it safe to use aftermarket parts on a rotary engine like the RX8?

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.

Do aftermarket parts void my RX8's warranty?

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.

Are RX8 aftermarket parts available for both Series 1 and Series 2 models?

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.