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Bunbury’s Home of DIESEL Performance Builds & Custom Dyno Tuning For Drivers Who Want More

Automotive Tuning Specialists in Bunbury

Sick of your ride feeling a bit average? We get it. Whether your 4x4 needs more muscle, better response or a setup that finally matches the way you drive, our team are the go-to automotive diesel tuning specialists in Bunbury. We customise every upgrade to suit your goals, your driving style, and your budget.

Power You Can Feel. Tuning You Can Trust.

Power You Can Feel. Tuning You Can Trust.

Based in Bunbury, our workshop is where performance meets precision, specialising in enhancing the power, reliability, and handling of modern 4x4s. Whether you’re chasing more torque and power, better drivability or a throatier exhaust note, we deliver tailor-made tuning packages using high-quality products and expert calibration. From routine servicing to custom dyno tuning, Protune is your go-to for performance upgrades that improve your power and drivability

Toyota Land Cruiser 4WD with Protune number plate

Performance Hardwear upgrades

𓊗 Airbox, Snorkel & Power Pipe Upgrades

𓊗 Turbocharger Upgrades

𓊗 Fuel Injector Upgrades

𓊗 Exhaust Upgrades

𓊗 Clutch Upgrades

𓊗 Intercooler / Heat exchange Upgrades

Open hood of a blue off-road vehicle showing a high-performance turbocharged engine and front grille with headlights, parked inside a garage.

4x4 Performance Tuning

Whether you are hauling a caravan across the country or relying on a work ute that cannot afford downtime, our 4x4 tuning services are engineered to deliver controlled power, consistent torque and dependable safety in demanding conditions. Each tune is developed with accuracy and intention, using data and vehicle-specific calibration to ensure your setup performs reliably under load. The result is a performance upgrade that supports real workloads without compromising the integrity of your vehicle.

With our in-house Mainline 4WD Dyno, we can:

➔ Precisely measure performance gains

➔ Diagnose issues fast

➔ Fine-tune every remap and upgrade

Get real-world results NOT JUST GUESSES.

Automotive Dyno Service

A mechanic working in a garage, surrounded by cars and diagnostic equipment, with two computer monitors and a technician's station.
An off-road Toyota vehicle inside a workshop with a sign above indicating it is an Australian-owned Dynalog Dynamometer station. The vehicle has a bull bar with two round LED lights and a license plate that reads 'PROTUNE'.

Why Choose Protune

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Local legends (and actual qualified mechanics) since 2021

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One of the few Bunbury workshops with a Dyno on site

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South West’s 4x4 tuning specialists

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Trusted brands. Tailored packages. No BS.

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Genuine people. Good, old-fashioned service

FAQs

  • Possibly! It depends on your car manufacturer. Some mods can be reversed if needed. Talk to us first.

  • In many cases, yes. Especially if your current tune is holding back your engine.

  • Yep! You’ll find us at 3b Shanahan Rd, Davenport WA 6230. We’re a short spin from anywhere in Bunbury.

Want to see us in action?

Book your car service, performance upgrades or dyno tuning today

Book your car service, performance tune or dyno session today. Call us or fill out the contact form.