I have the S1 version and it is perfect, one of my favorite mods.
Parts selected for owners taking Mazda RX8 reliability issues seriously, whether you’re planning a preventive refresh, addressing a known weak point, or building a car that stays on the road. Every product here supports a considered, maintenance-first ownership approach.
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I have the S1 version and it is perfect, one of my favorite mods.
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.
GENUINE MAZDA OEM Intake Solenoid for Mazda RX8 (Series 1 & 2, 2003-2012)
Happy 8's day people! For you series 2 owners, here's the easiest way I found to change these little suckers. RX8 Upgrades providing the genuine goods as always. Remove the air box/ CAI, remove throttle body and remove the top part of the UIM only, this will get you easy access to the solenoids. Now you could remove them from this point, but removing the oil filler neck along with the vacuum chamber the solenoids mount to makes it FAR easier to change them. This whole job can be done in an afternoon for a mechanically minded person. On reassemble, don't forget to place the vacuum reference back onto the bottom of the manifold (has a green check valve) otherwise no valve will work. Reassemble and enjoy. PN is KL01-18-741 for those chasing the part
HKS Hi-Power Cat-Back Exhaust with Titanium Tip for Mazda RX8 (Series 1 & 2, 2003-2012)
I have the HKS Hi power, absolutely love it. It's much lighter than stock. Got a nice low tone at idle, reasonably quiet at 3.5k rpm around town and doesn't drone much on the highway. It's absolutely ignorant when you get to the redline with a satisfying "Pop POP" between gear changes. Has a unique sort of burble when the RPM's are coming back down.. You will love it too:)
Yes, I believe that's revision C. Racing Beat is a good store for Mazda's, I'd trust them when they say it's the real OEM coilset.
HKS Hi-Power Cat-Back Exhaust with Titanium Tip for Mazda RX8 (Series 1 & 2, 2003-2012)
I had the hks hi power with ap midpipe and it was loud as hell but i loved it until i started getting pulled over all the time for it. You just have to keep the rpms down around the cops.
Tackling Mazda RX8 reliability issues starts with an honest assessment of the car in front of you. Service history, current condition and how the RX8 is used all shape which parts deserve priority. Together, these factors determine where to focus first. This range brings together components chosen to address the platform’s known maintenance needs. Cooling, sealing, ignition and fluid management are all covered, so owners can make informed, targeted decisions.
Rotary engine reliability on the RX8 is directly tied to maintenance discipline. The 13B-MSP rewards consistent attention. For example, fresh apex seals depend on clean oil. The cooling system also needs to hold pressure reliably. In addition, ignition components should never be left to degrade. Where these systems are maintained with quality parts, the rotary proves a rewarding and resilient engine. Where they are neglected, however, problems compound quickly.
New, correctly specified components restore known-condition confidence when replacement is due. Genuine OEM parts are particularly valuable here. Because they are factory-calibrated, there is no uncertainty about what you are installing. For official ownership guidance, Mazda Australia’s owner resources are worth bookmarking alongside your workshop manual.
Useful RX8 maintenance advice for Australian owners accounts for local conditions: summer heat, variable fuel quality and significant vehicle age. Many RX8s now carry variable ownership history, which makes the Mazda RX8 reliability issues owners encounter harder to predict without a proper inspection. As a result, condition assessment becomes even more important. A well-maintained example with quality parts holds up far better than the platform’s reputation sometimes suggests.
Reading owner reviews adds real-world perspective on rotary reliability and common RX8 faults. Experiences vary widely, however, depending on the individual car’s condition and maintenance approach. Therefore, reviews are most useful when they inform your inspection priorities, and understanding the specific Mazda RX8 reliability issues relevant to your car’s history helps you select parts for the right reasons. Use them alongside a proper assessment of your own car’s needs.
The RX8's most discussed reliability concerns centre on four systems: cooling integrity, ignition quality, oil maintenance and apex seal condition. A compromised cooling system or degraded ignition components can escalate quickly on the heat-sensitive 13B-MSP rotary. Consistent, scheduled maintenance with quality parts addresses all of these before they compound into larger failures.
The 13B-MSP relies on engine oil to lubricate the apex seals in a way piston engines do not, so oil condition and change frequency matter more than on a conventional engine. The cooling system also needs to hold pressure reliably, and ignition components must stay in known-good condition to prevent flooding and compression problems. Neglecting any of these systems allows issues to compound quickly.
RX8 owners are generally advised to follow a shorter oil change interval than the standard schedule for piston-engined cars, because the rotary's apex seals depend directly on oil quality for lubrication. Using the correct grade matters equally. Consult your workshop manual and Mazda Australia's owner resources for the specification that suits your use case.
Genuine OEM parts carry factory calibration and known tolerances, which removes the uncertainty of what you are installing on a platform where specification accuracy matters. For critical systems such as cooling, ignition and sealing, a new genuine part in known condition offers a clear advantage over a used component of uncertain history. Quality aftermarket parts from reputable suppliers are a valid alternative where genuine parts are unavailable.
Start with the service history and establish the car's maintenance record before ordering any parts. Cooling system integrity, ignition component condition and oil change frequency are the highest-priority inspection points. What the car actually needs depends entirely on where it is starting from, so a proper condition assessment shapes which parts deserve priority.
Summer heat places additional load on the RX8's cooling system, making radiator and thermostat condition especially important for Australian owners. Variable fuel quality and the significant age of most RX8s on Australian roads add further reason to prioritise cooling, ignition and sealing components. Many Australian RX8s also carry variable ownership history, which makes a thorough condition assessment before any parts purchase even more valuable.
A well-maintained RX8 with quality parts and consistent servicing holds up considerably better than the platform's general reputation suggests. Owner experiences vary widely depending on individual car condition and maintenance approach. The rotary rewards discipline: where cooling, ignition, oil and sealing systems are kept in good order, the 13B-MSP proves a resilient and rewarding engine.
A staged, proactive maintenance plan is far less costly than responding only to failures on the RX8 platform. Address cooling system integrity early, keep ignition components fresh, maintain short oil change intervals and assess apex seal condition as part of a scheduled approach. Prioritising known weak points before they fail prevents the compounding repair costs that give the platform its more challenging reputation.