B9/B9.5 S4/S5 5” Catless Downpipes
Unleash the full potential of your Audi S4 or S5 with TAP Trinity’s 5” Catless Downpipes — designed for maximum performance and aggressive sound. Crafted from premium 304 stainless steel and an integrated heat shield. The massive 5” downpipe ensures no restriction for faster turbo spool and increased horsepower gains. Finished with our signature Trinity badge and beautiful welds throughout, these downpipes are built to last.
Key Features:
- 5” Design: Oversized piping maximizes exhaust flow for quicker turbo spool, increased power, and improved throttle response.
- T304 Stainless Steel: High-grade material built to withstand extreme temperatures while resisting rust, cracking, and corrosion.
- Integrated Heat Shield: Strategically built-in shielding helps reduce engine bay temps and protects surrounding components from radiant heat.
- TIG Welded Construction: Precision welds ensure long-lasting durability, structural integrity, and a clean, high-quality finish.
- Aggressive Exhaust Tone: Deletes factory restrictions to produce a louder, deeper, and sportier sound that turns heads.
- Laser-Etched TAP Trinity Logo: Features our signature branding for an authentic, performance look.
- Direct Bolt-On Fitment: Engineered specifically for B9/B9.5 S4 & S5 3.0T engines — no cutting, welding, or modifications required.
- Built-in Mini Catalytic Converter (Dummy O2 Sensor): Equipped with a mini cat to help reduce the chances of a check engine light by simulating proper O2 sensor readings.
Fitment:
- B9/B9.5 S4 (2018-2025)
- B9/B9.5 S5 (2018-2025)
Warranty Info: All our exhaust systems and downpipes come with a 3-year quality warranty. This covers any manufacturing defects or quality-related issues. Please note: any damage caused by improper installation, physical impact, or other human-related factors is not covered under this warranty.