Wagner Tuning Facelift Performance Intercooler Kit for D4 Audi S8

The Wagner Tuning Performance Intercooler Kit for Facelift D4 Audi S8 is a high‑capacity charge‑air cooling upgrade designed to significantly improve the thermal efficiency and performance of the 4.0 BiTurbo V8. By offering substantially increased core volume and optimized airflow, it dramatically lowers intake air temperatures to support more consistent power delivery and reduce heat soak under demanding driving conditions. Precision‑engineered components with flow‑optimized end tanks ensure minimal pressure loss and long‑term durability, while a robust, corrosion‑resistant finish and full pressure resistance provide reliability for high‑output applications. Complete with provisions for additional sensor connections and a direct, plug‑and‑play installation, this intercooler kit delivers enhanced cooling performance ideal for spirited street driving and track use alike.

Why the Wagner Tuning Competition Intercooler is the Best Choice for Your S8

• Wagner Tuning’s Performance Intercooler Kit for the Audi S8 D4 4.0 BiTurbo delivers a substantial volume upgrade, offering 118% more external net volume than the factory cooler and providing extreme cooling performance with intake air temperatures reduced by up to 40 °C, easing the load on the turbochargers. Engineered for maximum reliability, the kit features 100% pressure resistance and a durable anti-corrosion coating, while flow-optimized aluminum die-cast end boxes, developed using CFD simulation, ensure minimal back pressure and efficient airflow. With four 1/8″ NPT connections for monitoring additional parameters and a plug-and-play design for straightforward installation, Wagner Tuning provides a high-performance, durable intercooler solution for both road and track applications.

Features

• Significantly increased intercooler core volume for enhanced cooling
• Dramatically reduced intake air temperatures for improved performance
• Flow‑optimized aluminum end tanks to minimize back pressure
• Precision engineering for efficient airflow and thermal management
• 100% pressure‑resistant construction for reliability under high boost
• Durable anti‑corrosion coating for long‑term longevity
• Four 1/8″ NPT connections for additional sensor integration
• Direct, plug‑and‑play installation with no modifications required
• Ideal for spirited driving, high‑output builds, and track use

Applications

• Audi S8: D4 | 2015-2017 |

Notes

• Installation instructions
• This product is only compatible with facelift models

About Wagner Tuning

Wagner Tuning is a Germany-based performance engineering brand specializing in high-efficiency charge-air cooling and intake solutions for modern turbocharged vehicles. Known for its competition-proven intercoolers and precision-manufactured components, Wagner Tuning combines advanced R&D, CFD analysis, and rigorous testing to deliver measurable performance gains, improved thermal stability, and long-term reliability. With a strong focus on motorsport-inspired engineering and OEM-level fit and finish, Wagner Tuning products are designed to support both high-performance street driving and demanding track use across a wide range of European and international platforms.