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Needing more performance, MPG's and
sound from your 2017 - 2018 3.5L Ecoboost F150? Look no further! All of SPD's offroad catless
downpipes use larger 3" diameter mandrel bent tubing which improves
throttle response, mileage and overall performance while reducing turbo lag and
On all SPD Performance's aluminized
catless downpipes, you get:
These downpipes are not EPA approved
and are for off-road use only.
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O2 Extenders for diagnostics and troubleshooting purposes only. ..