This is the war cry coming to a Kia stinger GT near you.

A Stinger GT fitted with the optional bi-modal exhaust was caught being put through final testing during the model’s local launch this week.

Press were allowed to punt the 3.3-litre twin-turbo V6 powered prototype on track.

2018 Kia Stinger GT exhaust

The system’s durability was put under the microscope roads surrounding Canberra, where watchful eyes monitored its mounting points over bumpy surfaces and in hard cornering.

The same testers were said to be refining the system’s switchover point. The louder setting doesn’t currently engage until 85 per cent throttle. Kia wants something closer to 60 per cent.

2018 Kia Stinger GT rear

Designed by Lumens, a Melbourne based company with HSV on its resume, the system features from the rear axle pipe-join to the quad tips.

It works by routing gases away from the stock muffler canister into a more free-flowing resonated pipe.

Kia Stinger exhaust

Kia’s hoping to introduce the same product on its 2.0-litre Stingers in future.