Milltek SSXAU641 Cat-back Quad Tip Valved Street Exhaust Audi B9 S4 and S5 Non-Sport Diff
More than 34 years of continuous exhaust development and technical expertise are drawn upon to develop the ultimate Milltek Sport range of performance products. The Milltek SSXAU641 Exhaust is a fully polished T-304 stainless steel, CNC mandrel bent, catback system. The Milltek exhaust begins after the factory catalytic converter and continues back to the center muffler and on to the valved rear mufflers and quad cerakote black 100mm round tips. The Milltek exhaust improves power and response and gives a deeper more aggressive sound. The valves on the rear muffler are controlled by the ECU to open or close as needed depending on vehicle operation.
FITMENT GUIDE: The Milltek SSXAU641 catback exhaust fits the following vehicles:
* For non-sport diff cars only.
Milltek Exhaust Manufacturing: Milltek exhausts are fully fabricated in the UK from T-304 stainless steel to prevent corrosion and ensure a long life. CNC mandrel bends are used to maximize flow and performance. TIG welding and CNC'ed hangers ensure a perfect fit. Finally the exhausts are fully polished for show car looks.
Milltek Exhaust Install: Installation of Milltek downpipe-back exhausts typically takes 3-4 hours. Basic hand tools are necessary for installation, no cutting or welding is required.
Milltek cat-back exhaust systems are covered by an anti-corrosion and manufacturing defect warranty. This warranty does not cover labor, misuse, faulty installation, failure of related parts or parts purchased other than from Milltek. This warranty extends to the original purchaser for as long as they own the vehicle and the exhaust. Milltek hi-flow sports catalysts and downpipes are covered by a 2 year or 80,000km / 49,710mi warranty.
This product ships directly from Milltek Sport in the United Kingdom