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

Cat-Back Exhaust
Brand: Milltek
Part #: SSXAU940
SKU: MK-SSXAU940
Milltek 80mm Resonated Cat-Back Exhaust system for Audi C8 RS6 (2020+) and RS7 (2019+) with 4.0L V8 bi-turbo engines. Direct replacement for the OEM system with 3.15" (80mm) mandrel-bent T304L stainless steel piping and polished oval tips. Engineered to deliver enhanced exhaust flow while maintaining a refined, OE+ tone character through resonated design. Constructed from premium T304L stainless steel-the same material used in high-performance applications. Hand-finished polished oval trims. Resonated chamber tuned to eliminate excessive drone while preserving full-throttle presence. Direct factory fitment using OEM hangers and mounting points; no modification to vehicle required except cutting of factory downpipe outlet (system designed as cat-back upgrade path for future turbo-back installation). Fitment • Audi RS6 C8 4.0L V8 bi-turbo (2020 and later) • Audi RS7 C8 4.0L V8 bi-turbo (2019 and later) British-designed, precision-manufactured resonated systems that deliver measurable acoustic tuning without compromise to driveability or emissions compliance. Fits OE system. 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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