Roush · New
Roush 2015-2017 Ford Mustang 2.3L Cold Air Kit
MPN 421827 · Store SKU rsh421827
Supplier stock checked 11/7/2026, 6:42:55 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
ROUSH's newly-designed cold air intake for the 2015-2017 2.3L I4 Ecoboost engine brings staggering performance increases that can be achieved with an installation that takes under an hour with no calibration required!The ROUSH EcoBoost Cold Air Intake replaces the restrictive stock air intake, unlocking latent power. There's no need for a custom tune, as this CAI system was engineered and designed to work with the completely stock 2.3L I4 engine! Paired with Ford's innovative EcoBoost engine, our ROUSH Cold Air Kit feeds cooler, denser air to the Turbo, increasing potential power output by up to 29 RWHP and 27 ft-lbs. RTWQ! Our kit is 74% less restrictive than the stock system at peak horsepower. Best of all, this system will not void your factory warranty! The filter is washable, re-usable and requires no oiling.The kit utilizes all factory emissions and vacuum lines. Factory mounting locations and hardware are utilized to allow for quick and easy installation. ROUSH 2015-2017 Mustang 2.3L EcoBoost Cold Air Kit 2015 Mustang I4 Cold Air intake
Manufacturer fitment & guides
- 2015-2017 Ford Mustang
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y
