Skip to product information
1 of 5

ROUSH 2015-2017 Ford Mustang 5.0L V8 Quad Tip Active-Ready Exhaust Kit (Requires 421926) 421921

ROUSH 2015-2017 Ford Mustang 5.0L V8 Quad Tip Active-Ready Exhaust Kit (Requires 421926) 421921

Regular price $1,542.99
Regular price $1,542.99 Sale price $1,542.99
Sale Sold out

Out of stock

Quantity

Need this part?

This item is currently unavailable. Ask us about availability or help finding a suitable replacement.

Ask about availability or fitment

Year, make, model and engine help us check fitment.

We'll reply to your inquiry by email. This is not an automatic restock alert.

Shipping & returns

This selection is unavailable. Ask us to confirm availability and timing.

Shipping details

In-stock orders are processed within 48 hours; transit time is additional.

International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.

Read the shipping policy

Returns

Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.

Read the full return policy
Return details & how to start

Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.

Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.

Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.

Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.

After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.

Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.

For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.

Specifications

Product details shared across all variants.

Product type
Exhaust System Kit
Category
Motor Vehicle Exhaust
Item condition
New
Manufacturer type
Aftermarket
Shipping weight
104.4 lb
Barcode
844764005747

Billable shipping weight; may include dimensional weight.

Roush Axle Back 421921 Give your Drop-top Mustang GT that ROUSH Performance Look, higher performance and race-inspired exhaust note. The ROUSH Quad Tip exhaust is an axle back kit with high flow dual tip mufflers, corrosion resistant T-304 stainless steel and high flow mandrel bends. Dual wall chrome flashed tips are a perfect fit with the ROUSH Mustang Rear Valance. This kit can be easily upgraded to an Active Exhaust with ROUSH Performance?s Active Exhaust Module a simple bolt-on process that requires no cutting to the exhaust. This exhaust system requires the addition of the Mustang ROUSH Rear Valance, which comes in two different configurations: Prepped For Backup Sensors Not Prepped For Backup Sensors. 2015-17 Mustang 5.0L ROUSH Quad Tip Active Ready Exh. Req. Rear Valance Note: Fits Mustang GT's with premium chassis packages only (Trim levels - 400A) Note: This exhaust kit will fits both fastback and convertible Mustang GTs. Note: Check your local noise ordinances for legality. ROUSH 2015-2017 Ford Mustang 5.0L V8 Quad Tip Active-Ready Exhaust Kit (Requires 421926)

Vehicle Fitments:

Year Make Model Submodel
2015 - 2016 Ford Mustang Base
2015 - 2017 Ford Mustang EcoBoost, GT, GT Premium, Shelby GT350R, Shelby GT350, EcoBoost Premium, V6
2015 Ford Mustang GT 50 Years Limited Edition
2017 Ford Mustang V8
View full details

Vehicle fitment