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

Cat-Back Exhaust
Brand: Milltek
Part #: SSXAU699
SKU: MK-SSXAU699
Milltek Resonated Cat-Back Exhaust System for Audi B9 S4 (2016+) and S5 Sportback (2017+) 3.0 V6 Turbo. Direct factory fitment for Sport Differential models without brace bars. 2.50" (63.50mm) mandrel-bent T304L stainless steel construction with quad Cerakote Black oval trims. Hand-finished T304L stainless steel with engineered resonance tuning. OEM-compatible hangers, uses stock mounting points. No modification required. Quad outlet design with Cerakote Black finish. Dyno-proven flow characteristics deliver enhanced throttle response while maintaining OE+ sound character-sportier than stock, refined for daily driving. Fitment & Compatibility • Audi S4 B9 Saloon/Sedan & Avant (2016+) - Sport Diff models only, without brace bars • Audi S5 B9 Sportback (2017+) - Sport Diff models only, without brace bars • Engine: 3.0 V6 Turbo (EA839) • Cat-back system (retains factory catalytic converter) EC Approved construction ensures durability and emissions compliance. Every system hand-finished to OEM+ standards. 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