Flowmaster Flow FX Cat-Back, single side exit
Fits 2015-2020 2.7L EcoBoost · 3.5L EcoBoost
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Price tracked 14 times since Jul 12, 2026 across the stores we check daily: low $675.95, high $675.95, currently $675.95.
where to buy · 3 retailers tracked
Flowmaster's Flow FX line uses a straight-through muffler for a milder, more modern tone, exiting through a single pipe on one side.
why this one — Same mellow straight-through Flow FX tone as their dual-exit option, in the simplest single side-exit layout.
No manufacturer or independent dyno figure found for this specific product. Cat-backs on turbo trucks with a downpipe/tune doing the real work typically carry no standalone gain claim; sound/tone is the primary value prop.
Estimated from comparable claims: MBRP ~+5 whp; Corsa +12; Flowmaster 11; Flowmaster 18
Questions about this category
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.