Fi EXHAUST Valvetronic Exhaust System for Audi S4/S5 B9

The Fi EXHAUST Valvetronic high-performance exhaust system for the Audi B9 S4 is a premium solution designed to unleash the full potential of the turbocharged V6 engine in the Audi sports sedan and station wagon. The system is made of high-quality T304 stainless steel and provides a direct bolt-on installation as a complete replacement for the stock system.

Technical specifications:

• Material: Premium T304 stainless steel
• Engine: 3.0TFSI (turbocharged V6)
• Model year: 2017+
• Variants: B9 Audi S4, S5
• Compatibility: universal system

Key Features: The system is designed with valvetronic technology to control airflow, sound volume and improve overall performance and torque. On average, expect a 5-10% increase in horsepower after installing a full catless system with valvetronic catback and ultra high-flow downpipe.

With the valves closed, the exhaust gases are directed through the muffler for low-profile driving comfort. With the valves fully open, an intense and sporty soundtrack is created. The unique sound and performance for the Audi B9 S4 is achieved through individually designed internal muffler elements.

Equipment:

• Front pipe
• Mid X-pipe
• Valvetronic muffler with individually designed internals
• Quad tips
• Standard remote

Basic configuration:

AD-S4B9-CBE + TIP6389S 4 + R2016OL + OBD-CAB-BNE + ACT-BN 2 - Front Pipe + Mid X-Pipe + Valvetronic Muffler + Quad Silver Tips + Standard Remote - complete system with standard remote control

Additional Downpipe options:

AD-S4B9-NCAT - Ultra High Flow DownPipe - maximum performance without catalysts

AD-S4B9-CAT200 - Sport 200 Cell DownPipe - sports version with high-flow catalysts

Tip options:

TIP6389TB*4 - Quad Tips in Titanium Blue - four tips in titanium blue coating

TIP6389B*4 - Quad Tips in Diamond Black - four tips in diamond black coating

TIP6389G*4 - Quad Tips in Gold - four tips in gold plating

TIP6389C*4 - Quad Tips with Carbon Fiber - four carbon fiber tips

Remote control option:

R2020OBD - Fi PRO App Remote (OBDII) - advanced control system with mobile application

Important notes:

• Suitable for both S4 and S5 (B9)
• Includes standard remote control
• Uses X-pipe configuration for optimal flow
• Quad Tips configuration for a sporty look
• Each part of the system is ordered separately
• Custom designed muffler internals

This premium exhaust system is designed for Audi S4/S5 B9 owners who want to unleash the power of the 3.0TFSI turbocharged V6 engine in Audi's sporty models, providing a combination of German engineering excellence and an exciting sound in an elegant sedan or station wagon with quattro all-wheel drive.