Audi S4 Exhaust System Kits

The MagnaFlow 2004-2006 Audi S4 Sport Series Cat-Back Performance Exhaust System 16586 enhances your 4.2L 2004-2006 Audi S4 with an aggressive character that is sure to help you stand out from the other Audi S4 you encounter on the street. With its 2.5in. diameter fast-flowing mandrel bent main piping that passes through 4 Straight-Through mufflers before ending in a Dual Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, this dyno-proven Audi S4 exhaust system refuses to be ignored. As such, 16586 is tuned to produce our powerful, resonant signature exhaust note at Aggressive exterior and Moderate interior sound levels, so please check to ensure compliance with local noise regulations. The system’s cat-back design replaces all your import’s stock exhaust components from the catalytic converter on back. Extensive 3D scanning and CNC precision robotic manufacturing techniques are used to ensure that your exhaust system fits perfectly with just a simple do-it-yourself installation process. The durable, corrosion resistant stainless steel construction of 16586 is backed by MagnaFlow’s limited lifetime warranty.

Product Features:

• Racing inspired sound
• High-performance lightweight design
• Dyno-proven performance

The MagnaFlow 2010-2016 Audi S4 Touring Series Cat-Back Performance Exhaust System 15599 is the perfect partner for your 3.0L 2010-2016 Audi S4 to take on a grand tour or a weekend cruise thanks to the powerful, resonant exhaust note and dyno-proven performance it brings to the table. This durable, corrosion resistant stainless steel exhaust kit is engineered to conquer the miles with ease while enhancing your driving experience with Moderate exterior and Mild interior sound levels generated through its fast-flowing, mandrel bent 2.25in. main piping and 3 Straight-Through muffler that terminate in a Quad Split Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips. 15599 features a cat-back layout design to replace your import’s stock exhaust components from the catalytic converter on back. This Audi S4 exhaust system is compatible with 2010-2016 engines. The use of extensive 3D scans made during the development process has resulted in an easy-to-install, direct-fit design that fits your Audi S4 like a glove. 15599 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.

Product Features:

• Mandrel bent tubing
• 409 Stainless Steel Construction
• Increased Horsepower and Torque