Dual stack exhaust system

  • US 6,637,537 B2
  • Filed: 02/25/2002
  • Issued: 10/28/2003
  • Est. Priority Date: 02/23/2001
  • Status: Expired due to Fees
First Claim
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1. In combination:

  • a pickup truck having a cab and a bed extending rearwardly therefrom, the bed having a load floor bounded by a front wall adjacent the cab and a pair of side walls, the bed having an opening defined therein, the truck having an engine and an exhaust pipe extending rearwardly under the cab to an outlet end;

    a flexible exhaust coupler having a first end in fluid communication with the outlet end of the exhaust pipe and a second end in fluid communication with the first end;

    a hollow elongated collector disposed on the floor of the truck bed adjacent the front wall, the collector having a first end and an opposed second end with a midportion therebetween, the collector having an inlet defined in the midportion, the inlet being connected to the second end of the coupler through the opening in the bed such that exhaust flowing from the second end of the coupler flows into the collector, the collector further having a first outlet defined in the first end and a second outlet defined in the second end, with the outlets being in fluid communication with the inlet such that exhaust flowing into the inlet flows out of the outlets;

    a first tubular exhaust stack having a lower end connected to the first outlet, the first exhaust stack extending generally vertically upwardly therefrom to an open upper end such that exhaust introduced into the lower end flows out of the upper end; and

    a second tubular exhaust stack having a lower end connected to the second outlet, the second exhaust stack extending generally vertically upwardly therefrom to an open upper end such that exhaust introduced into the lower end flows out of the upper end.

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