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

Cat-Back Exhaust
Brand: Milltek
Part #: SSXAU633
SKU: MK-SSXAU633
Milltek Non-Resonated Cat-Back Exhaust System for Audi B8 A4 2.0 TFSI S-Line (manual and automatic transmissions). Direct factory fitment; no modification required. Mandrel-bent T304L stainless steel construction with hand-finished dual-outlet GT100 polished tips. The 70mm (2.76") bore diameter maximizes exhaust scavenging and reduces back-pressure. Non-resonated design eliminates the OEM resonance chamber, delivering full-throttle character and engineered tone with no secondary silencer. Uses OEM hangers and bracket points for seamless installation. System Specification • Pipe diameter: 70mm mandrel-bent T304L stainless steel • Configuration: Non-resonated cat-back (OEM+ fitment) • Finish: Hand-polished dual GT100 trims • Fitment: Audi B8 A4 2.0 TFSI S-Line (2008-2011) • Installation: Direct replacement, OEM hangers 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