

The Manta Performance Exhaust System for the 2020–2025 Chevrolet Silverado HD 6.6L Duramax is here.
Designed, tested, and built in Australia, this new range delivers maximum power, flow, and that unmistakable Manta sound. Available in both Turbo-Back and DPF-Back configurations, with muffler options and an aggressive 5-inch tailpipe, these systems are engineered to transform the way your Duramax performs and sounds.
Due to huge demand! To receive your Chevy 2500 Manta Performance Exhaust before Christmas, you’ll need to lock in your order now.
Model Compatibility:
- 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 after installing your Manta System.
- 2024–2025 Silverado HD 6.6L Duramax — Turbo-Back and DPF-Back systems will require a tune after installing your Manta System.
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- WA: 28/11/2025
- VIC: 28/11/2025
SSMKCH0025Silverado 2500 HD LTZ, 6.6L TD V8, 2020-2025, 4in-5in Turbo Back With Cat & Without MufflerRRP: $6,816.03 inc GST -
- WA: 28/11/2025
- VIC: 28/11/2025
SSMKCH0027Silverado 2500 HD LTZ, 6.6L TD V8, 2020-2025, 4in-5in Turbo Back Without Cat & Without MufflerRRP: $6,425.53 inc GST -
- WA: 28/11/2025
- VIC: 28/11/2025
SSMKCH0028Silverado 2500 HD LTZ, 6.6L TD V8, 2020-2025, 4in-5in DPF Back Without MufflerRRP: $2,927.98 inc GST -
- WA: 28/11/2025
- VIC: 28/11/2025
SSMKCH0030Silverado 2500 HD LTZ, 6.6L TD V8, 2020-2025, 4in T/Back, Suits OEM Tailpipe, Cat & Without MufflerRRP: $4,082.53 inc GST -
- WA: 28/11/2025
- VIC: 28/11/2025
SSMKCH0032Silverado 2500 HD LTZ, 6.6L TD V8, 2020-2025, 4in T/ Back, Suits OEM Tailpipe, Without Cat & MufflerRRP: $3,692.03 inc GST





