Stainless Works Catted Downpipe + Y-Pipe (3.5L EcoBoost, dual-bank)
Fits 2011-2014 3.5L EcoBoost
We earn a commission if you buy through links on this page. Prices are the same for you. Full disclosure
Price tracked 9 times since Jul 12, 2026: low $995, high $1,695, currently $1,695.
where to buy · 3 retailers tracked
A 304 stainless steel catted downpipe and Y-pipe set for 2011-2014 3.5L EcoBoost trucks, TIG welded and mandrel bent with built-in high-flow catalytic converters, replacing both bank downpipes and the Y-pipe as one kit.
why this one — No standalone horsepower figure is published for this part, checked against the manufacturer site and major retailers - it is meant to support a tune rather than add power on its own.
NOT LEGAL FOR SALE OR USE IN CALIFORNIA.
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.