
Cat-Back Exhaust
Milltek Resonated Cat-Back Exhaust | Lexus GX 550 3.4 Turbo V6 - Burnt Titanium TipsMilltek

Cat-Back Exhaust
Brand: Milltek
Part #: SSXAU694
SKU: MK-SSXAU694
Milltek 2.50" resonated cat-back exhaust system for Audi B9 S4 and S5 3.0 V6 Turbo. Direct factory fitment for sport differential models without brace bars (2016+ S4 sedan/Avant, 2017+ S5 Sportback). Quad GT-100 polished tips. T304L stainless steel construction, mandrel-bent throughout. The resonated design delivers an engineered tone that enhances the OE+ character while maintaining composure at cruise. 2.50" (63.50mm) diameter pipe optimizes exhaust scavenging for the 3.0 turbo's airflow requirements. Hand-finished welds and CNC-formed flanges ensure OEM-quality fitment. Uses factory hangers and mounting points-no modification required. Fitment • Audi S4 B9 3.0 V6 Turbo - Saloon and Avant (sport differential, no brace bars) - 2016+ • Audi S5 B9 Sportback 3.0 V6 Turbo (sport differential, no brace bars) - 2017+ Resonated cat-back systems preserve rear valence fitment and maintain OE compatibility. T304L stainless steel resists thermal cycling and road salt for proven longevity. Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Cat-Back Exhaust
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Cat-Back Exhaust
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Cat-Back Exhaust
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Cat-Back Exhaust
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