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ROUSH 2015-2017 Ford Mustang ACTIVE Exhaust Upgrade Kit (Requires ACTIVE-READY Exhaust Kit)

Name: ROUSH 2015-2017 Ford Mustang ACTIVE Exhaust Upgrade Kit (Requires ACTIVE-READY Exhaust Kit)
Brand: Roush
SKU: rsh421926
Price: 1749.99 USD

MPN 421926 · Store SKU rsh421926

$1,749.99

CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 9:18:22 PM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

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

Convert your ROUSH Quad Tip exhaust to a full Active exhaust and take control of your Exhaust note. Our Active Exhaust upgrade kit makes any 2015-2023 Active Ready quad-tip exhaust system into an active exhaust that allows you to tune your exhaust note using our iOS application for virtually infinite sound possibilities. The system utilizes an easily installed valve system that adjusts the flow of the exhaust, thereby adjusting tone and volume. Plug and play Installation requires no cutting or welding. Included in the kit is a 4 mode selector knob with faceplate so you easily switch to pre-set and custom modes on the fly.Converts the following ROUSH Active Ready Quad Tip Exhaust Systems to Full Active Exhaust Systems: 5.0L V8 Active Ready Exhaust Part #421921 2.3L I4 Active Ready Exhaust Part #421923 Shop Roush Performance 2015-2023 Mustang ROUSH Active Exhaust Upgrade Kit. Dominating performance. Aggressive style. Shop now! ROUSH 2015-2023 Mustang Active Exhaust Upgrade Kit

Manufacturer fitment & guides

2015-2023 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

Not CARB approved. Destination and intended-use restrictions must be checked before sale.
Emissions acknowledgement required before purchase.
California Proposition 65: Y

Two green Ford Mustangs with their hoods open in a track paddock

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Add your exact parts and delivery details, then continue to payment. Eligible orders show the final parts, shipping and tax total and a PayPal button here after automatic checks. Freight, oversized, custom and uncertain items go to JuiceBuilt for a quote. You are charged only after approving PayPal; supplier orders are submitted separately after verified payment.

Does a part number guarantee vehicle fitment?

No. Product descriptions are supplied by the manufacturer. Check the manufacturer application information for your exact vehicle, engine and supporting modifications. Online checkout requires your exact-part fitment acknowledgment. Contact JuiceBuilt before ordering if you need fitment help.

Is the stock shown reserved for me?

No. Availability is a dated supplier snapshot. Inventory can change, and adding a part to your build does not reserve it. Availability and delivery are checked again before payment. A supplier order is confirmed separately after payment.

What about shipping?

Eligible standard-size parts orders with a parts subtotal of $100 or more receive free standard shipping. The minimum applies after coupons and other discounts.

The same $100 minimum applies to all brands, including Aerospace Components.

Oversized and freight items are excluded from free shipping at every subtotal, including carbon doors, hoods, trunks and similar large panels. Their shipping charge is quoted separately before payment.

Shipping for orders below $100 is calculated before payment.

Online checkout is initially available for US delivery addresses. For other countries, contact JuiceBuilt for a manual quote before payment.

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What is the return policy?

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

The customer pays return shipping for a change-of-mind return.

Any actual supplier restocking charge is disclosed before purchase.

Clearance and scratch-and-dent parts are final sale. No returns or refunds.

Read the full shipping & returns policy ↗

This policy does not limit rights required by law.

ROUSH 2015-2017 Ford Mustang ACTIVE Exhaust Upgrade Kit (Requires ACTIVE-READY Exhaust Kit)

Product details

Manufacturer fitment & guides

Part-specific notes

THE NEXT PART
OF YOUR BUILD.

Free shipping on $100+ orders.

Build with the right brands.

Find your next upgrade.

Make the whole setup work.

A few things to know.

Your cart.

Freight & oversized shipping quote

Delivery address