Catalytic Converters

Milltek Large Bore Downpipe Hi-Flow Sports Cat | Ford Mustang 2.3 EcoBoost (S550 Fastback)

Brand: Milltek

Part #: SSXFD169

$1,689.53+1689 pts

In Stock

SKU: MK-SSXFD169

Ships direct from the warehouse Guaranteed fitment 30-day returns

Description

Milltek Large Bore Downpipe with integrated Hi-Flow Sports Catalyst increases exhaust flow efficiency by enlarging the diameter beyond OEM specification, allowing increased gas volume to exit the engine. Designed specifically for use with Milltek Cat-Back exhaust systems, this downpipe combines mandrel-bent T304L stainless steel construction with a high-flow catalyst to deliver measurable performance gains and engineered tone character. Fabricated from T304L stainless steel with CNC-formed components and hand-finished welds. Direct integration with Milltek Cat-Back systems uses OEM hangers for seamless fitment. Stage 2 ECU remap required for optimal performance and drivability. Decibel-tested to ensure compliance with street use. • Large bore diameter for increased exhaust velocity • Hi-Flow sports catalyst for reduced backpressure • T304L stainless steel construction, hand-finished • Compatible with Milltek Cat-Back systems only • Stage 2 ECU remap required • Mandrel-bent piping throughout Fits Milltek Cat-Back. Designed in Tennessee and manufactured in the UK with 40+ years of performance exhaust heritage. Tested on the Tail of the Dragon.