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

Cat-Back Exhaust
Brand: Milltek
Part #: SSXAU665
SKU: MK-SSXAU665
Milltek Resonated Cat-Back Exhaust for the Audi B8 A4 A5 2.0 TFSI Engineered as a direct replacement for the factory cat-back, this resonated system delivers a fuller performance note while keeping cruising refinement in check. Key Features • Premium Materials: T304Lstainless steel for durability and lasting corrosion resistance. • Enhanced Performance: 2.76" (70.00mm) mandrel-bent pipework improves exhaust flow for sharper throttle response. • Sound Profile: Resonated for the intended tone. • Direct Fitment: engineered as a bolt-on replacement for the factory system. • Tip Finish: Cerakote Black Tips. • Road Legal: E-marked to ECE type approval (AUDIA4B8).Technical Specifications • Pipe Diameter: 2.76" (70.00mm) • Material: T304L Stainless Steel • System Type: Resonated Cat-Back Exhaust • Tip Finish: Cerakote Black Tips • Resonated: Yes • E-Marked: Yes (AUDIA4B8) • Fitting Time: 1.00 to 1.50 hoursCompatibility • 2008 to 2015 A4 2.0 TFSI S line B8 (2WD and quattro Tiptronic-only) Saloon & AvantWhy Choose Milltek? Every system is precision-built to deliver the sound, flow, and quality that define the Milltek difference. 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