LML 2011-2016 6.6 Duramax Down Pipe 3” V band or 3 BoltDitch the restrictive factory downpipe and upgrade to our 3 Stainless Steel Downpipe engineered to deliver improved airflow, lower EGTs, and a cleaner, more efficient exhaust path for your 20112015 LML Duramax. Featuring a true 3 internal diameter from end to end, this downpipe offers superior CFM (cubic feet per minute) flow compared to the stock unit. Constructed from high quality 304 stainless steel and wrapped in fiberglass heat insulation, this
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LML 2011-2016 6.6 Duramax Down Pipe 3” V band or 3 Bolt