LB7 Performance Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines Related To Performance And Longevity

04 Straight Pipe

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Old Aug 1, 2010 | 02:38 PM
  #11  
Metalman25's Avatar
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Joined: Aug 2010
Posts: 3
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From: Price Utah
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my lb7 has a 4" straight pipe....i had no idea it would be as loud as it is, it sounds excelent at higher rpms but not too loud at low rpms....needless to say its not great hunting truck.......
 
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Old Aug 13, 2010 | 05:24 PM
  #12  
03Bduramax's Avatar
Diesel Fan
Joined: Aug 2010
Posts: 22
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From: Ottawa, Ontario
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my 03 is strait piped. turned out in front of the rear wheel with a 5" magnaflow tip, sounds freakin awesome!!
 
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