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Description:
The Duramax has a refined toughness to it. MBRP Inc. has left the refined part to General Motors, and added extra toughness. The Duramax makes big power gains with this high flow 4" mandrel bent exhaust system.
Features:
  Product Options
Part No. Description MSRP Qty Add To Cart
 S6000AL  01-05 2500/3500 4" Cat Back Single Side, EC/CC $342
 S6012AL  06-07 2500/3500 4" Cat Back Single Side, EC/CC $350
 S6014AL  06-07 2500/3500 4" Cat Back Cool Duals, EC/CC $759
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   Part No. Description MSRP Qty Add To Cart