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

Cat-Back Exhaust
Brand: Milltek
Part #: SSXAU621
SKU: MK-SSXAU621
The Milltek Resonated Cat-Back Exhaust System is engineered specifically for the Audi C6 S6 V10 FSI Quattro (2006-2010). This is a direct factory fitment cat-back system that replaces the OEM exhaust from the rear of the secondary catalytic converters back, using original hangers and mounting points. Constructed from T304L stainless steel with mandrel-bent piping at 2.36" (60mm), the resonated design eliminates drone at cruise while preserving full-throttle character. Hand-finished construction and CNC-formed merge collectors ensure OEM+ fitment without modification. The polished stainless tip completes a factory-correct aesthetic. Fitment • Audi C6 S6 V10 FSI Quattro (2006-2010) • Cat-back only - requires factory secondary cats and GPF (where applicable) • Direct OEM hanger compatibility • No suspension or undertray modification required Technical Specifications • Material: T304L stainless steel, hand-finished • Pipe Diameter: 2.36" (60mm) mandrel-bent • Type: Resonated (OE+ tone, reduced drone) • Tip: Polished stainless steel • Installation: Direct fitment, no cutting or welding Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Cat-Back Exhaust
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Cat-Back Exhaust
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Cat-Back Exhaust
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Cat-Back Exhaust
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