Flowmaster American Thunder Cat-Back, black ceramic tips (incl. PowerBoost)
Fits 2021-2026 2.7L EcoBoost · 3.5L EcoBoost
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gain
18 hp / 14 tq
manufacturer claim
price
$1,049.95
install
2/5 difficulty · n/a
Same American Thunder build with black ceramic dual 4.5-inch tips, rear exit only - this is the only Flowmaster cat-back that fits the PowerBoost hybrid.
why this one — Flowmaster claims up to 18 hp and 14 lb-ft on their own dyno, and it's the only Flowmaster option that fits PowerBoost trucks - no independent dyno confirms the number.
pairs well with
Gain shown is a manufacturer claim, not a guarantee. Price is a list price and can lag the retailer; confirm at checkout. See our affiliate disclosure.