Skip to content
ORDER BY 2PM EST FOR SAME DAY SHIPPING ON MOST PARTS. CLICK HERE FOR MORE INFO.
Order by 2pm for Same Day Shipping!*

2015-2023 Mustang 2.3 Ecoboost Roush Axle Back Exhaust Muffler Kit Black 4"Tips

Manufacturer Part # 421837 Black Tips-mo

SKU RH421837BKc-MO
Sold out
Original price $774.99 - Original price $774.99
Original price
$774.99
$774.99 - $774.99
Current price $774.99
Availability:
Out of stock

Free Shipping on Orders Over $50

Note to our customers: The powdercoated tips do not affect the manufacturer's warranty!

•Brand New
•Roush Part # 421837
•Fits 2015-2023 Ford Mustang 2.3L Ecoboost Coupe or Convertible
•Sold as a pair (RH & LH)
•ROUSH designed Single tip high-flow mufflers
•Corrosion resistant 304 stainless steel
•Full mandrel bending
•4" Black powder-coated dual wall tips
•Uses OEM hangars and mounting points
•Requires no welding
•Some cutting required
Constructed from T-304 stainless steel, the ROUSH 421837 exhaust is corrosion and stain resistant. Constant diameter mandrel bends maintain high flow and reduce backpressure. This axle back system improves sound and performance with single tip High flow Mufflers.

Listen Here!

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare