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You are here: Home > Brand > aFe Power > aFe Exhaust Systems > aFe Downpipe-Back Exhaust Systems

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aFe Downpipe-Back Exhaust Systems

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aFe Power 49-44034 MACH Force-Xp 3-1/2" 409 Stainless Steel Down-Pipe for 2006-2010 GM 6.6L Duramax LLY, LBZ, LMM aFe Power 49-14003NM Large Bore-HD 4" 409 Stainless Steel Down-Pipe Back Exhaust System for 2001-2007 GM 6.6L Duramax LB7, LLY, LBZ
Key Features:
  • Not CARB Legal
  • Uses Factory Mounting Locations
  • Increases Horsepower and Torque
  • Lowers EGT's
  • 409 Stainless Steel

2006-2010 GM 6.6L Duramax LLY, LBZ, LMM
Key Features:
  • Down-Pipe Back
  • Single Side Exit
  • Does Not Include Tip
  • Muffler Not Included
  • 409 Stainless Steel

2001-2007 GM 6.6L Duramax LB7, LLY, LBZ
   
 
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