Magnaflow 5" Downpipe-Back Aluminized Pro Series Exhaust System 18999

2001-2007 GM 6.6L Duramax (All Crew & Ext. Cabs)
MagnaFlow Exhaust
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Aluminized Pro Series
The Aluminized Pro Series has a limited 1 year warranty with an aluminized muffler and no tip. This allows for some customization with an optional tip of your choice and the best value on the market.

Material: Aluminized Steel
Tubing O.D. Size: 5in.
System Type: Downpipe-Back
TIP Quantity: Tip Not Included
Single/Dual: Single

Features and Benefits: 1-Year Warranty, Dyno Tested And Proven To Make Power, Performance Gains In Horsepower And Torque, Great Sound -Has A Smooth; Deep Tone, Easy To Install, Mandrel-Bent. All Welded. Built To Last.

Application Note: All Crew & Extended Cab fitment applies to GM 2500HD/3500HD Pickups. This system is not designed for use on Cab & Chassis models or Regular Cab trucks.

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Very Happy with exhaust.
Ethan Caron (NH) 2/8/2016 10:36 AM
I purchased this exhaust system for my 05 lly cc drw. It was very simple to install, high quality pipe clamps included. I have noticed a definite gain in power and torque. I did intake with turbo inlet, drivers manifold and downpipe also. Love the upgrades. The truck has a nice deep sound to it, just what I was looking for. Also gained about 4mpg's I recommend magnaflow highly and will be getting another exhaust like this for my other duramax.