Audi S5 Performance Air Intake - APR - PEX - `18-`25
Audi S5 Performance Air Intake - APR - PEX - `18-`25
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Audi S5 Performance Air Intake - APR - PEX - 2018–2025. This complete APR system is engineered to increase airflow and improve turbo efficiency on the B9 3.0T for a sharper, more responsive drive.
Replacing the entire tract from the inlet scoop to the turbo inlet, it removes factory bottlenecks and maximizes internal diameter using thin‑walled, heat‑resistant composite. The PEX airbox shields heat while smart openings feed cool air and add a refined induction note. A massive 7" x 7" washable cotton gauze filter provides broad filtration area and long service life. In APR testing, flow rises to 525 CFM at 28" H2O—31% over stock—and on an APR Stage 1 (93) S4 it showed +19 AWHP and +20 AWFT‑LBS. Fits 2018–2025 Audi S5 3.0T (also S4 B9).
Features
- Complete system: inlet scoop, airbox, filter, turbo inlet
- 31% more airflow (525 vs. 400 CFM @ 28" H2O)
- Thin‑wall, heat‑resistant composite for larger ID
- 7" x 7" washable pleated cotton gauze filter
- PEX heat‑shield airbox with added flow paths
- Bolt‑on kit; emissions‑friendly, no tune required
Questions or ready to plan your build? Call Austin, TX at 512-982-9393 or our Los Angeles, CA area shop at 562-981-6800. We offer professional installation and customization at both locations. Considering multiple items? Contact us for shipping discounts. We install on premises at both locations.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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