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The Manta Chevy 2500 Performance Exhaust Is Coming
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You’ll be first in line for official images, videos, and launch details of the all-new Manta Chevrolet Silverado 2500 HD 6.6L Duramax Exhaust System — built for power, flow, and that unmistakable Manta sound. That’s right — every 2020–2025 Silverado HD with the 6.6L Duramax can now be fully custom-tuned and optimised for serious performance. And with tuning now unlocked, Manta Performance is taking it to the next level — developing a new generation of high-performance exhaust systems designed to unleash the full potential of your Duramax.
In Development Now – Launching November
Model Compatibility
The Duramax platform is now fully unlocked — and Manta has you covered across every model year:
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- 2020–2023 Silverado HD 6.6L Duramax — Ready to go, no tuning required for all DPF-Back Manta Systems.
- 2020–2023 Silverado HD 6.6L Duramax — Turbo-Back options will require a tune before installing your Manta System.
- 2024–2025 Silverado HD 6.6L Duramax — Turbo-Back and DPF-Back systems will require a tune before installing your Manta System.
Our all-new Manta Chevy 2500 Performance Exhaust Range is in final testing, engineered and built right here in Australia. Designed for power, flow, and sound, this system transforms the Duramax into a true performance diesel.
System Options Available at Launch:
Turbo-Back Systems – Full performance setup from turbo outlet to tailpipe
DPF-Back Systems – Rear section upgrade for improved tone and finish
Muffler Options – Choose from muffled or straight-through configurations
Tailpipe Finish - Aggressive 5-inch tailpipe
Core System Features:
- 3.5" dump pipe straight off the turbo
- 4" mandrel-bent system to the axle
- 5" black tailpipe finish
- Engineered for maximum power, flow, and that signature Manta sound
- 100% Australian-made and tested