Stainless Works
Stainless Works 15-18 F-150 3.5L Downpipe 3in High-Flow Cats Y-Pipe Factory Connection
SKU: S00K FT16ECODPCAT
Description
Part #: FT16ECODPCAT
2015-20 F150 3.5L Ecoboost Downpipe. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. 3" downpipe with catted lead pipes. Includes Y-pipe to fit to flanged factory connection point. These are TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.
2015-20 F150 3.5L Ecoboost Downpipe. Stainless steel 3" downpipe with catted lead pipes. Includes Y-pipe to fit to flanged factory connection point.
Fitment
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Specifications
| Brand | Stainless Works |
| Part Number | S00K FT16ECODPCAT |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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