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.
Manufacturer's Product Description:
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 EPA approved catalytic converters and larger 3" diameter mandrel bent tubing which improves throttle response, mileage and overall performance while reducing turbo lag and exhaust temperatures. Our downpipes do not require custom tuning and can be used as a factory downpipe replacement. Our catalytic convertors are made in the USA and are designed to be used in racing applications.
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 that do not cause check engine lights
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
We use EPA approved federal catalytic converters but you are responsible to verify that they are legal with your state and county laws.
Recommended For
Product Function & Benefits
Performance Benefits:
Upgraded downpipes allow the turbocharger(s) to spool up faster and maintain more boost than stock downpipes, resulting in increased power output and better overall engine performance. This upgrade also provides a more responsive and powerful driving experience.
Enhanced Exhaust Flow and Reduced EGTs: High flow cats are designed to allow exhaust gases to pass from the engine and turbos more freely compared to stock catalytic converters, resulting in a reduction of backpressure and a reduction in exhaust gas temperatures (EGTs).
Better Flow = Faster Spool = More Boost:Reduction of EGTs and decreased backpressure allows turbocharger(s) to operate more efficiently in terms of spool time and building boost.
Tune-Related Impact & Tuner Recommendation
Recommended vs Required:
• Upgrading the downpipe(s) is not required for tuning.
• We recommend this upgrade for customers who have already installed an intercooler and both intakes.
• This modification will support maximum gains from tuning and any future modifications, like upgraded turbos.
• This upgrade does not require a tune.
• Adding this upgrade to a tuned vehicle does not require a tune update.
Explorer-Specific Information
F150-Specific Information
Some of the turbo upgrades for this platform require turbo adapter(s). There are downpipes available that incorporate the flange for upgraded turbos, and eliminate the need for adapters (e.g., SPD Downpipes).
Vehicle Applications
Confirmed Fitment for 3.5L
Data / Results
Please Note: Data has been provided by the manufacturer, and may be supplemented by ZFG Racing.
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