Complete “turbo back” Manta exhaust system – available in 3″ fully mandrel bent aluminised or stainless steel tubing, with the option of leaving out the diesel catalytic converter (intended for off-road use)

SKU: mantaguzdearly Category:


A common upgrade to the 3.0L GU Patrol is the fitment of a Manta 3″ exhaust system. The ZD30 3.0L turbo diesel motor was released in the Patrol in 2000, replacing the old 2.8L 6 cylinder motor. With an electronic direct injection fuel system, the 3.0L Patrol is the first model that is able to be “chipped”, increasing power and torque gains.

The overall figures of the ZD30 Direct Injection motor look good on paper – 116kw and 354nm, however in reality the power delivery is very “peaky”, with the motor having to be revved hard before the power and torque became accessible. The early models also developed a reputation for blowing up, with the cause thought to be high exhaust gas temperatures. The primary cause of the poor power delivery, and a contributor to the high exhaust gas temperatures, is the restrictive factory exhaust system, which chokes the turbo – preventing the motor from operating at peak efficiency, and causes heat build-up.

Replacing the factory exhaust system with the 3” Manta turbo back exhaust makes a world of difference. It allows the turbo to operate at its maximum capacity, spooling a lot earlier, thus coming onto full boost much quicker. This means the power and torque is more evenly spread throughout the rev range, making it more accessible down low. The 3” exhaust also reduces exhaust gas temperatures dramatically, which is key if you’re the owner of an early model ZD30 Patrol that is prone to having engine issues.

Whether you’re chasing an exhaust noise level close to stock, or you want it as loud as possible, we have a number of combinations available to give you the note you’re chasing.



Established in 1974, Manta is now Australia’s premier manufacturer of performance exhausts. Celebrating 40 years of experience, they have the expertise to build exhaust systems that are world-class. From humble beginnings as a small exhaust shop, they now boast two dedicated locations from which they can manufacture and wholesale an extensive range of exhausts for street, off-road, and race vehicles.

The team at Manta combines more than 90 years of experience in the performance exhaust industry, engineering and developing Australia’s leading performance exhaust systems. Manta manufacture and wholesale a range of exhausts that boasts a distinctive sound and perfect fitment. With worldwide sales and distribution capabilities, Manta provides quality Australian made performance exhausts to enthusiasts all over the world.

Ongoing investment in research and development, together with the implementation of cutting-edge manufacturing techniques, ensures that they stay at the leading edge of exhaust design and manufacturing. The integration of CNC technologies into production lines ensures their products cement their place as market leaders.

Additional information

Weight 300 kg


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