Walker SoundFX Resonator and Resonator Assemblies combine sophisticated pipe routing for easy installation, and precise tuning technologies to ensure excellent flow characteristics and OE-style sound. They feature an all-aluminized construction for longer life, quality appearance and favorable acoustics. These are OE-style resonator welded assemblies that fit, perform and sound like the original system. Product Features:Aluminized steel construction for corrosion resistance and durabilityMeticulous pipe routing for fast, easy installationDesigned to perform and sound like the original systemFeatures OE-Style hardware, flanges and brackets for fast and easy installationRequires modifications and use of bender to complete installation