top of page

Needing more performance, MPG's and sound from your 2015 - 2017 Expedition/Navigator? Look no further! All of SPD's catted downpipes use the highest grade catalytic converters and larger 3" diameter mandrel bent tubing which improves throttle response, mileage and overall performance while reducing turbo lag and exhaust temperatures. 


On all SPD Performance's Aluminized Steel Catted Downpipes, you get:

  • Increase in performance
  • Improved turbo spool time
  • Better fuel mileage
  • High flow catalytic converters 
  • High temp silica ceramic coated for long life span
  • Factory style flanged clamps on all flared turbo and exit connections
  • High grade clamps for a solid seal and no leaks
  • All hardware included 


SPD uses EPA approved federal catalytic converters but you are responsible to verify that they are legal with your state and county laws.

2015-2017 Ford Expedition/Navigator 3.5L SPD Performance Catted Downpipe

    bottom of page