AMS Performance Street Downpipe (3.5L EcoBoost, non-Raptor)
Fits 2015-2020 3.5L EcoBoost
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Price tracked 7 times since Jul 12, 2026: low $1,949.95, high $1,949.95, currently $1,949.95.
A catted downpipe for 2015-2020 3.5L EcoBoost trucks (non-Raptor) from AMS Performance, EPA-compliant per AMS, built to increase exhaust flow versus the factory downpipe.
why this one — AMS does not publish a horsepower number for this part - instead they cite a 24.7% increase in cross-sectional area (flow) versus the stock downpipe.
NOT LEGAL FOR SALE OR USE IN CALIFORNIA.
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