cp-e QKspl Catted Downpipe (3.5L EcoBoost/Raptor)
Fits 2017-2020 3.5L EcoBoost · Raptor
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gain
~5% gain / ~5% gain
manufacturer claim
no absolute hp figure given
price
$1,395
at Beefcake Racing
8% above its 41-day average on this sitePrice tracked 8 times since Jul 8, 2026: low $1,116, high $1,398.36, currently $1,395.
low $1,116 · high $1,398.36 since Jul 8, 2026
install
2/5 difficulty · n/a
where to buy · 3 retailers tracked
A downpipe carries exhaust from the turbo(s); catted keeps the catalytic converter(s) in place.
why this one — cp-e's QKspl downpipe is a single part that fits both the standard 3.5L EcoBoost and the Raptor, a flexible pick if you want a cp-e-built downpipe across either engine.
heads up
NOT LEGAL FOR SALE OR USE IN CALIFORNIA.
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.