
- Stock: Out Of Stock
- Model: AU94S-DD
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- EC Approved: NO
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Crafted from premium T304 stainless steel, this Armytrix de-cat downpipe for the Audi S4 and S5 B9 delivers an aggressive exhaust note and notable performance gains. Available in either raw stainless or ceramic-coated versions to minimize heat transfer, it features dual 63.5mm (2.5") piping and an integrated cat simulator to help avoid check engine lights caused by catalyst removal. A must-have upgrade for any enthusiast seeking sound and power without compromise.
Direct bolt-on fitment
Diameter: 2 x 63.5mm / 2 x 2.5"
High-quality T304 stainless steel construction
Optional ceramic coating for thermal insulation
Integrated cat simulator to reduce CEL risk
Aggressive exhaust tone
2025 - This material is exclusively copyrighted and reserved

Manufacturer | Model | Type | Version |
---|---|---|---|
Audi | S5 | F5 - 16-... | 3.0 TFSI 354 |
Audi | S4 | B9 - 16-21 | 3.0 TFSI - 354 |



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