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Milltek Large Bore Downpipe | Ford Mustang 2.3 EcoBoost (S550 Fastback)
SKU: SSXFD170
Parts
Documents
Description
Milltek Large Bore Downpipe with integrated Hi-Flow Sports Catalyst — designed for use with OE cat-back exhaust systems. Mandrel-bent T304L stainless steel construction with significantly larger bore diameter than OEM, allowing improved exhaust scavenging and measurable performance gains.
Hand-finished construction throughout. Stage 2 ECU remap required to unlock full potential. Direct bolt-on fitment using OE hangers — no modification required. Engineered to eliminate restrictive factory catalytic converter while maintaining OEM+ fitment integrity.
Fitment & Compatibility:
- For use with OE cat-back exhaust systems only
- Stage 2 ECU remap mandatory
- Direct factory fitment — no welding or modifications
- Uses OEM mounting points and hangers
Milltek downpipes are developed and tested across a global product range, delivering proven performance gains without compromising reliability.
Designed in Tennessee and manufactured in the UK with 40+ years of performance exhaust heritage. Tested on the Tail of the Dragon.
Key Facts
| Pipe Diameter | 70.00 |
| 0 hours to fit (including removing OE system) | |
| Race Product | Yes |
| EMarked | No |
System Fitment List
Shipping Information
This system ships in 1 box.
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