All modern 4x4's sold in Australia have a Diesel Particulate Filter ( DPF ) in their factory exhaust system.A DPF is a device designed to remove diesel particulate matter or soot from the exhaust gas of a diesel engine.Most DPF's remove around 80% of the soot in the exhaust gas, some 100%. A DP …

Most of our Outback 4x4 exhaust systems are supplied with a 200 cell High flow Catalytic Converter ( commonly known as a cat ) where required by Australian Emission Laws. We also offer the option to buy a "No cat" system. The difference between a NO Cat system to a Cat system option reduces the …

There are many considerations when choosing the right exhaust system for your 4x4 - here is some help for you. Aluminised v Stainless SteelThe majority of 4x4 Exhaust Systems sold in Australia are manufactured out of 409 Stainless Steel. Aluminsed systems utilise Aluminium Coated Mild Steel pipewor …