MILLTEK SSXFD171 Large-bore Downpipe and De-cat FORD Mustang 2.3 EcoBoost (Fastback) ymm_73 Sizes range from 2-3/4 inches

Sizes range from 2-3/4 inches to 6 inches

The Cat-Back and Axle-Back exhaust systems use patented straight-through and multi-core technology to help increase horsepower

Roadmaster 1991-1993

The aluminum cast end tanks are designed in CAD and optimized using CFD simulations for ideal internal airflow

3" wide band clamps 18006 are recommended

MILLTEK SSXFD171 Large-bore Downpipe and De-cat FORD Mustang 2.3 EcoBoost (Fastback) ymm_73 Sizes range from 2-3/4 inchesDescription MILLTEK SSXFD171 Large bore Downpipe and De cat FORD Mustang 2. 3 EcoBoost (Fastback) Milltek Sport Large Bore Downpipes are designed to improve both performance and sound. These downpipes feature a larger diameter compared to standard OEM parts, allowing more exhaust gas to exit the engine and pass through, which increases efficiency. When used with the Catalyst Bypass Pipe, significant power gains can be achieved without restriction on