4" Aluminized Cat Back Single Delete Pipe With Muffler| 2001-2004.5 GM 2500/3500 6.6L DURAMAX-431108 logo S&B's intake tube was designed

S&B's intake tube was designed with a huge diameter to allow for insane amounts of airflow to be fed to your engine

Part Number: 30-10102

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Unlike other materials that degrade after repeated heat cycles in an engine bay

Part Number: 24-293297

4" Aluminized Cat Back Single Delete Pipe With Muffler| 2001-2004.5 GM 2500/3500 6.6L DURAMAX-431108 logo S&B's intake tube was designedConstructed out of 16 gauge aluminized steel or T409 Stainless, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved flanges. Enjoy a noticeable boost in performance, lowered EGTs and amplified air flow with this Mel's system. For powerhouse performance, Mel's delivers horsepower you can hear! Features: Ease of installation Contour Bent Hangers TorcTite Clamps Retains for Cat for Emissions