We believe custom systems cannot be achieved unless you’ve been in this industry for many years. We can fit the best quality muffler systems to increase your vehicle to its peak performance.

Mr Muffler Dandenong is one of the top & reliable companies when it comes to making custom sports exhaust systems for vehicles. We have been in the business of repairing, supplying and installing exhaust systems for more than 30 years. We take pride in building top quality custom sport exhaust systems as per our customers’ requirements. We specialise in fabricating and installing custom, sports and performance exhaust systems. Our workshop is fully equipped with the modern tools and equipment. Whether you are after that aesthetic look or the sports muffler sound or maybe just an increase in performance and efficiency, we can achieve it for you. Nothing is impossible for our experienced mechanics.

Exhausts Specialist


Keeping up with the manufacturer-recommended service.

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We are leading specialists in Automatic Transmission repairs.

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A good quality exhaust system is a must for every car.

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Air conditioning, which was once a luxury, is now a common feature on most vehicles.

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Log Book Services and Repairs
Maintenance to All Makes and Models
Services and Repairs to European Vehicles
Auto Transmission Service and
Clutch Replacements
Steering, Suspension and Brakes Repairs
Engine Diagnostics and Tune-ups
Batteries, Radiators and Tyres
Mufflers and Exhausts


Speedway Automotives is housed under one roof with Mr Muffler Dandenong; a valuable service provider in the automotive maintenance sector using quality automotive components and spare parts

0419 156 873


Speedway Automotives & Mr Muffler Dandenong have been in the automotive service industry for over 30 years; with that comes experience, trust and building relationships. Trust is very important for customers and vehicle owners. Who would you trust with the safety and well being of your car? Our highly trained motor mechanics have the knowledge and can meet all your vehicle requirements and provide you with peace of mind.