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

Cat-Back Exhaust
Brand: Milltek
Part #: SSXAU974
SKU: MK-SSXAU974
The Milltek 80mm Race Non-Resonated Cat-Back Exhaust is engineered for the Audi 8Y RS3 (2021+) as a direct OPF/GPF-back system. This is our loudest cat-back option, delivering maximum volume enhancement with race-spec performance. Constructed from T304L stainless steel and mandrel-bent for optimal flow, this system features a race-spec rear silencer for reduced weight and aggressive exhaust character. Direct factory fitment uses OEM hangers-no modification required. The 80mm (3.15") large bore diameter maximizes scavenging and supports peak power delivery across the RPM range. Fitment & Compatibility • Audi RS3 8Y Saloon/Sedan (2021+) • OPF/GPF-back configuration • Direct replacement, uses OEM mounting points • Non-resonated design for closed-course/track use Every system is dyno-tested and engineered for measurable flow improvement alongside authentic sound 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
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Cat-Back Exhaust
Milltek Resonated Cat-Back Exhaust | Lexus GX 550 3.4 Turbo V6 - Cerakote Black TipsMilltek

Cat-Back Exhaust
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