Magnaflow DUAL Exhaust System Downpipe-Back 4" SS tubing 16901
2001-2007 GM 6.6L Duramax Silverado/Sierra 2500HD/3500 CC/SB LB7/LLY
MagnaFlow's Performance Diesel Systems feature giant, fast-flowing, 4" 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
Additional InformationInstall Sheet
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3/23/2009 3:12 PM
happy with the sounds a nice deep tone not to noticible idleing but has a good rumble under load. extremely easy install. took us under an hour to remove the old exhaust and install the new magnaflow.