SPD Performance Catted Downpipe (3.5L EcoBoost)

Fits 2017-2020 3.5L EcoBoost

SPD Performance Catted Downpipe (3.5L EcoBoost) for 2017-2020 Ford F-150 (3.5L EB)

We earn a commission if you buy through links on this page. Prices are the same for you. Full disclosure

gain
~20 hp
estimate, based on similar parts' claims
price
$895
at Stage 3 Motorsports
13% below its 69-day average on this site

Price tracked 14 times since Jul 30, 2026 across the stores we check daily: low $895, high $1,149.99, currently $895.

low $895 · high $1,149.99 since Jul 30, 2026, across the stores we check daily
install
2/5 difficulty · n/a

where to buy · 4 retailers tracked

  • Stage 3 Motorsportsbest pricechecked Oct 7$895view
  • Function Factory Performancechecked Oct 1$895view
  • SPD Directchecked Sep 12$955view
  • AmericanTruckschecked Sep 20$1,149.99view

A downpipe carries exhaust from the turbo; catted keeps the catalytic converter in place.

why this one — SPD's standard catted downpipe fitted for 2017-2018 3.5L trucks.

where the number comes from

No manufacturer or independent dyno figure found for this specific product (checked manufacturer site + major retailers). Downpipes in this category are marketed as tune-supporting parts; standalone hp/tq figures are not published.

how we estimated it

Estimated from comparable claims: cp-e ~5% gain (no absolute hp figure given)

heads up

NOT LEGAL FOR SALE OR USE IN CALIFORNIA.

Price-drop alert for this part

One email if this part drops in price at a tracked retailer. Real numbers, no spam, stop anytime.

No published gain figure for this part, and nothing here is a guarantee. Price is a list price and can lag the retailer; confirm at checkout. See how we check a price and our affiliate disclosure.

Independent site. Not affiliated with, endorsed by, or sponsored by any vehicle manufacturer, parts manufacturer, or retailer named on this site. Vehicle and brand names are used only to describe compatibility. Gains shown are manufacturer claims, community estimates, or independent tests, labeled by source on every part, and are not guarantees.