Milltek Sport Hi-Flow Catalyst system. Premium aircraft-grade 304 stainless steel, precision TIG-welded, bolt-on fit. Made in UK.
Product Highlights:
- 304L aircraft-grade stainless steel
- Precision TIG-welded construction
- Direct bolt-on replacement
- Performance gains + improved exhaust tone
Milltek Part Numbers:
- SSXAU819 — With HJS 200 Cell Cat and OPF/GPF Bypass (Requires stage 2 ECU remap)
Vehicle Compatibility
This exhaust is confirmed to fit the following vehicles:
- Audi RS4 B9 2.9 V6 Turbo Avant (OPF/GPF Models) (2019 and Later)
