Magnaflow Exhaust System Downpipe-back 4" SS tubing 16934
2001-2005 GM 6.6L Duramax Silverado/Sierra 2500HD/3500 EC/LB LB7/LLY
MagnaFlow's Performance Diesel Systems feature giant, fast-flowing, 4" mandrel-bent stainless steel tubing, and a polished 5" diameter 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
Downpipe-Back: Bolts up to the OEM downpipe flange, yielding substantial gains in horsepower, torque, fuel economy and a lower EGT (exhaust gas temperature).
Additional InformationInstall Sheet
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