Milltek SSXAU557 Full Quad Tip Race Exhaust Audi B8 S4
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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 SSXAU557 Exhaust is a fully polished T-304 stainless steel, CNC mandrel bent, full system. The Milltek exhaust begins after the factory catalytic converters and continues back to the front center muffler and rear center muffler and finally to the rear straight pipes and quad cerakote black round tips. The Milltek exhaust improves power and response and gives a deep and raw sound.
FITMENT GUIDE: The Milltek SSXAU557 catback exhaust fits the following vehicles:
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.