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

Cat-Back Exhaust
Brand: Milltek
Part #: SSXAU939
SKU: MK-SSXAU939
Milltek 80mm Resonated Cat-Back Exhaust system for Audi C8 RS6 (2020+) and RS7 (2019+) with 4.0L V8 bi-turbo engines. Direct fitment replacement using OEM hangers and mounting points. T304L stainless steel construction with hand-finished Cerakote Black twin 80mm oval tips. Mandrel-bent 3.15" (80mm) primary piping optimized for resonance control, delivering engineered OE+ tone character without excessive cabin drone. Resonated chambering tuned to Audi's factory resonance points. Constructed entirely from T304Lstainless steel for corrosion resistance and longevity. Hand-finished Cerakote Black oval trim finishers. Note: OE system requires cut during installation-designed as stepping stone to future turbo-back upgrade path. Fitment • Audi RS6 C8 4.0L V8 bi-turbo, 2020 and later • Audi RS7 C8 4.0L V8 bi-turbo, 2019 and later • Direct factory fitment, uses OEM hangers • Cat-back configuration only (turbo-back available separately) Fits OE system. Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

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

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

Cat-Back Exhaust
Milltek Resonated Cat-Back Exhaust | Lexus GX 550 3.4 Turbo V6 - Cerakote Black TipsMilltek

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