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

Cat-Back Exhaust
Brand: Milltek
Part #: SSXAU1113
SKU: MK-SSXAU1113
Direct factory fitment non-resonated cat-back exhaust for Audi B9 S5 Sportback with Sports Differential and Factory Brace Bars. Hand-finished T304L stainless steel system engineered to deliver maximum sound character and performance gains on closed-course and track applications. Mandrel-bent 2.5" diameter piping with CNC-formed quad polished tips (4" GT-100 round or quad oval available in polished stainless or Cerakote Black finish). Direct bolt-on replacement using OEM hangers and mounting points-no modification required. Non-resonated design eliminates mid-range drone characteristic of resonated systems, delivering full-throttle engagement across the entire powerband. Fitment & Configuration • Audi B9 S5 Sportback (2019+) with Sports Differential and Factory Brace Bars • Cat-back system: factory cat retention, OEM+ fitment • Tip options: GT-100 round (4" diameter) or quad oval polished stainless/Cerakote Black • Hand-finished and decibel-tested for engineered tone character 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