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cp-e QKspl Catted Downpipe - Track Only (3.5L EcoBoost)

Fits 2011-2014 3.5L EcoBoost

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gain
~5% gain / ~5% gain
manufacturer claim
no absolute hp figure given
price
$895
at cp-e
install
2/5 difficulty · n/a
Buy at cp-e→
also at CJ Pony Partsalso at Beefcake Racing

The catless "Track Only" version of cp-e's QKspl downpipe for 2011-2014 F-150 EcoBoost - same downpipe, no catalytic converter.

why this one — Cheapest of the three QKspl variants since it skips the catalytic converter - track/off-road use only, not street legal.

where the number comes from

Cp-e.com product page states "5% gains throughout RPM band" for the QKspl downpipe family - a manufacturer-published percentage claim, not an independent dyno number.

heads up

CATLESS - this variant omits the catalytic converter entirely. Off-road/competition use only; not legal for street use in any state with emissions inspection, and not legal for sale or use in California.

pairs well with
MPT Custom 93-Octane Tune (2.7L)
this part appears in
F-150 3.5L EcoBoost Turbo Upgrade Guide: Bigger Turbos and Downpipes, Explained
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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.