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USD 684.71
Part #: MAG16908

Magnaflow Exhaust System Downpipe-Back 5" SS tubing 16908

2001-2007 GM 6.6L Duramax Silverado/Sierra 2500HD/3500 CC/SB LB7/LLY
Part #: MAG16908
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MagnaFlow's Performance Diesel Systems feature giant, fast-flowing, 5" mandrel-bent stainless steel tubing, and a 5" polished stainless steel tip. The MagnaFlow systems incorporate mirror finished MagnaFlow Performance Mufflers with a straight-through design. You can expect significant gains in horsepower, torque, improved fuel economy and a lower EGT (exhaust gas temperature).
MagnaFlow Performance with a Lifetime Warranty
OEM-Style Barbed Hangers
Giant 5" Polished Stainless Steel Tip

Front-Pipe Back


Additional Information

Install Sheet


  • MFG. Number 16908
  • Manufacturer Name MagnaFlow
  • Shipping Weight 74.00 lb.
  • Shipping Length 59 in.
  • Shipping Width 14 in.
  • Shipping Height 21 in.
  • Diameter 5"
  • Exhaust Exit Single
  • Exhaust Type Downpipe-Back
  • Material T409 Stainless Steel
  • Warranty Yes
  • Warranty Info Lifetime
  • Prop 65 WARNING: Cancer & Reproductive Harm -


Love the sound
Location: Beaumont, TX
its perfect its not loud idle but when you lay into the throttle you can hear a deep throaty sound that makes you grin. i love the turbo whisle the most.very pleased with this product alot

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will it fit regular cab?
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The MAGNAFLOW EXHAUST SYSTEM DOWNPIPE-BACK 5" SS TUBING 16908 is only designed to fit the following applications: 2001-2007 GM 6.6L Duramax Silverado/Sierra 2500HD/3500 CC/SB LB7/LLY (Crew Cab/Short Bed).