AMS Performance Street Downpipe (3.5L EcoBoost, non-Raptor)
Fits 2015-2020 3.5L EcoBoost
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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.
Aftermarket catalytic converter downpipe. No CARB-legal statement found either way as of this research pass; verify state emissions compliance (especially CA) with counsel before listing.
Gain shown is a no published number, not a guarantee. Price is a list price and can lag the retailer; confirm at checkout. See our affiliate disclosure.