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

Cat-Back Exhaust
Brand: Milltek
Part #: SSXAU1116
SKU: MK-SSXAU1116
Milltek Non-Resonated Cat-Back exhaust for Audi S5 B9 Sportback (Sport Differential and Factory Brace Bar models). Direct bolt-on replacement for OEM exhaust with no modification required. This is our loudest cat-back system for the B9 platform, engineered for maximum full-throttle character and performance gains. Hand-finished T304L stainless steel construction with mandrel-bent piping. 2.5" pipe diameter feeds quad GT-100 round tips (4" diameter) in Burnt/Blue titanium finish. Optional quad oval tips available in Polished Stainless or Cerakote Black. Uses factory exhaust hangers and OEM resonance-point engineering for direct fitment-no welding or bracket modification. • Fits: Audi S5 B9 Sportback with Sports Differential and Factory Brace Bars • Material: T304L stainless steel, hand-finished • Pipe: 2.5" mandrel-bent • Tips: Quad GT-100 round (4" dia.) or quad oval • Fitment: Cat-back system (turbocharger to rear axle) • Install: OEM+ direct bolt-on, factory hangers Non-resonated construction eliminates the factory resonance box for aggressive full-throttle tone without mid-range drone. 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