Roush Performance Axle Back Exhaust Kit 15-21 Mustang V6 / I4 Exhaust Systems - 421837

Roush Performance Axle Back Exhaust Kit 15-21 Mustang V6 / I4 Exhaust Systems - 421837 from Roush Performance is built for exhaust performance upgrades where fit, quality, and dependable performance matter. This listing is optimized for customers looking for the right part without digging through incomplete catalog data.

Key Features

• Exact manufacturer part number: 421837
• Product type: Exhaust Systems
• Exhaust System - Axle-Back - 2.5 in Tailpipe - 4 in Polished Tips - Stainless - Polished - Ford V6 / EcoBoost 4-Cylinder - Ford Mustang 2015-21 - Kit
• Approximate shipping weight: 28.41 lb
• Built for automotive enthusiasts, racers, builders, and service-focused installs

Performance Benefits

This product supports a cleaner, more reliable build by matching the part type, manufacturer data, and fitment details supplied in the catalog. It is a solid choice for maintenance, upgrades, race support, or custom automotive projects depending on the application.

Fitment

2015-2023 Ford Mustang

Installation Notes

Designed for a clean installation; verify hardware, clearances, and vehicle configuration before final install.

Emissions / Compliance

Emissions impact should be verified before street use. Check local, state, and federal requirements before installation or sale.

Why Buy From OzKonic Kustomz

OzKonic Kustomz supplies performance parts, accessories, and upgrade components for builders who care about fitment, quality, and getting the right part the first time. Order today and complete your build with confidence.