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This listing is for Magnaflow Catback Exhaust Fits 04-05 Audi A4/S4 4.2L DSR

Part Number 16586

Which is more important: Great Performance or Great Sound? MagnaFlow Exhaust settles the debate by giving you both! Using decades of experience, extensive research, and field testing, MagnaFlow develops and manufactures durable steel mufflers tuned to provide the proper amount of back pressure, plus a deep, resonance-free tone. MagnaFlow Exhaust is so confident in these mufflers, each is guaranteed for life! We also carry MagnaFlow’s entire line of performance tubing, tips, hardware, catalytic converters, and complete exhaust systems.

The MagnaFlow Audi S4 Sport Series 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-Double Wall-Angle Cut-Rolled Edge-Resonated 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 Agressive 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.

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