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

Cat-Back Exhaust
Brand: Milltek
Part #: SSXAU739
SKU: MK-SSXAU739
Milltek Resonated Cat-Back Exhaust system for Audi 8V RS3 (2017+). Direct factory fitment replacement engineered to enhance exhaust flow and refine OE+ sound character without sacrificing drivability on the street. Constructed from T304L stainless steel with mandrel-bent 80mm (3.15") piping and hand-finished Cerakote Black oval trim tips. The resonated design eliminates drone at cruise while preserving full-throttle tone definition. Uses OEM hangers and mounting points-no modification required. Fitment • Audi RS3 8V (2017+) • Cat-back configuration (retains OEM catalytic converter) • Direct OEM+ fitment Specifications • Material: T304L stainless steel, hand-finished • Pipe Diameter: 80mm (3.15") • Design: Resonated (street-tuned for balanced tone and reduced resonance) • Trim: Cerakote Black oval • Installation: No cutting or modification required This system is developed in-house and tested across European circuits to deliver dyno-proven gains paired with engineered sound character engineered for real-world driving. 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