Vance & Hines HoleShot Series Performance DPF-Back Single Exhaust System with Twin Slash Polished Tip; Side Exit (20-23 6.6L Duramax Sierra 2500 HD)Find parts that fit my vehicle

Unleash Turbocharged Diesel Performance. By bypassing the restrictive factory DPF exit, this system reduces backpressure and heat buildup, freeing up turbo response and improving throttle sensitivity. The mandrel-bent piping ensures smooth exhaust flow, while the side-exit, twin-slash tip adds an aggressive visual and acoustic statement.

Premium Materials for Longevity. Constructed entirely of 304-stainless steel with selective black ceramic coating, the exhaust resists corrosion and maintains finish in harsh climates. The bypass muffler uses high-temperature packing for consistent tone and service life, and the supplied hardware ensures a secure, vibration-free installation.

Installation. Remove the factory DPF exit and mid-pipe, install the Vance & Hines muffler section to the DPF outlet, bolt up the mandrel-bent piping with supplied clamps and hangers, and align the twin slash tip for side-exit clearance.

Application. The Vance & Hines HoleShot Series Performance DPF-Back Exhaust System fits 2020–2023 6.6-liter Duramax Sierra 2500 HD models.

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