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

Cat-Back Exhaust
Brand: Milltek
Part #: SSXFD423
SKU: MK-SSXFD423
Milltek Race Active Valved Cat-Back exhaust system for Ford Mustang 5.0 V8 (Dark Horse and Mach 1). Hand-finished T304L stainless steel construction with mandrel-bent tubing, H-pipe configuration, and CNC-formed burnt/blue titanium tips (4.5" GT-115 diameter). Direct bolt-on fitment using OEM hangers-no modification required. Engineered tone character tuned to the 5.0 Coyote V8 powerband. Valved design allows closed-track performance mode and street-friendly operation. Full-throttle exhaust note developed through dyno testing and validated for resonance elimination. T304L stainless ensures durability and corrosion resistance; hand-finished tips deliver concours-quality appearance. Fitment: • Ford Mustang 5.0 V8 Dark Horse • Ford Mustang 5.0 V8 Mach 1 • Cat-back only-catalytic converters and factory secondary cats remain in place Designed in Tennessee and manufactured in the UK with 40+ years of performance exhaust heritage. Tested on the Tail of the Dragon.

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