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The DIESELR Universal Diesel Muffler reduces sound and supports strong flow. Stainless steel body with straight-through core. Available in 4" or 5"
Custom fitment brief
Outline your vehicle, performance targets, and timeline. The build desk will confirm availability, pricing, and next steps in writing.
DIESELR EFI Live Tune Pack (2006–2007 Duramax LBZ 6.6L). +20–260HP custom tuning with optional transmission support. Built for safe, proven power.
Motor Vehicle Engine Parts
Motor Vehicle Engine Parts
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