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

Cat-Back Exhaust
Brand: Milltek
Part #: SSXAU529
SKU: MK-SSXAU529
Milltek Resonated Race Cat-Back Exhaust system for Audi S3 8V and 8V.2 (2013-2018). Direct factory fitment using OEM hangers; no modification required. Hand-finished T304L stainless steel construction with quad round titanium trims. Engineered for closed-course and track use. Mandrel-bent throughout with optimized resonance chamber tuning. Features our signature aggressive tone character at full throttle with significantly reduced drone during cruising compared to fully open systems. CNC-formed titanium trim tips finished to OEM+ standards. System tested and validated on EA888 Gen 3 platform for dyno-proven performance gains. Fitment: • Direct cat-back replacement (connects to OEM downpipe) • Audi S3 8V (2013-2016) • Audi S3 8V.2 (2013-2018) • Uses factory mounting points and hangers • Road-legal in most markets; closed-course/track recommended for unrestricted tone Every system is dyno-tested and engineered for both power delivery and acoustic 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