MILLTEK SSXFD171 Large-bore Downpipe and De-cat FORD Mustang 2.3 EcoBoost (Fastback) ymm_73 The aluminum cast end tanks

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

Please note that this will ONLY fit the 1

3" wide band clamps 18006 are recommended

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

MILLTEK SSXFD171 Large-bore Downpipe and De-cat FORD Mustang 2.3 EcoBoost (Fastback) ymm_73 The aluminum cast end tanksDescription 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