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

Cat-Back Exhaust
Brand: Milltek
Part #: SSXAU864
SKU: MK-SSXAU864
The Milltek 80mm Race Non-Resonated Cat-Back Exhaust System is engineered for the Audi C8 RS6 and RS7 (2019+), delivering an aggressive exhaust note and improved flow characteristics. This system replaces the factory cat-back section and requires cutting the OE system during installation-designed for customers planning a future turbo-back upgrade. Hand-finished T304L stainless steel construction with mandrel-bent 80mm (3.15") dual pipes and polished oval tips. Direct fitment uses OEM mounting points and hangers. Non-resonated design eliminates mid-range resonance for a full-throttle character without interior drone compromise. Fitment • Audi RS6 C8 4.0L V8 bi-turbo (2020+) • Audi RS7 C8 4.0L V8 bi-turbo (2019+) This non-resonated system is engineered for closed-course and track use where aggressive tone character is desired. 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