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| DYNO PROVEN TO PROVIDE THE LARGEST POWER GAINS FOR THE 2001-09 GM DURAMAX TURBO DIESEL
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|  STRATEGY
In keeping with our goal of providing our customers with the best possible value, we have tested a large group of components specifically designed for the GM Duramax.
We have invested many hours evaluating and refining each of the GM Duramax products on our chassis “dyno”, to ensure that we could develop as much power as possible, as safely as possible.
The site menu on the left side of this page, lists the clear winners when it comes to “performance vs. dollar” value. Please check back often as we are always developing new ways to create more horsepower.
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MOTOBLUE™ 5-INCH HARD-CORE™ EXHAUST SYSTEMS
01-07½ DURAMAX TURBO DIESEL, all models, all wheelbases
How is RPM Outlet able to offer such low prices on diesel exhaust systems?
The answer is simple. We have removed the middle man and their price mark ups. We eliminate those
companies who re-box the same exhaust system under their own name, and then charge up to 150% more for
the same product. The MOTOBLUE line is the same exhaust system without the middleman mark up. This is
a true factory direct exhaust system, which keeps our pricing extremely low for our customers.
The MOTOBLUE™ HARD-CORE™ 5-INCH EXHAUST SYSTEM is engineered to give you improved acceleration, and maximum hill-climbing towing and
passing power. This is the only system heavy duty enough for off road use. The side exit location makes
this the ideal choice if you pull a trailer with your diesel.
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Features include :
- 4 to 5" dia., Stainless Steel Mandrel Turbo Down-Pipe
- 5" Fully Welded High-Flow Muffler
- 5" Steel Mandrel-Bend Tubing
- 5" Steel Mandrel bent tail-pipe
- Up to 30 Rear Wheel Horsepower Gain, up to 4% increase in fuel economy
- 04½-06 OFF-ROAD USE ONLY (eliminates the catalytic converter)
- Note: Advanced mechanical knowledge required for this installation
- Note: MOTOBLUE™ highly recommends hiring a professional installer for any aftermarket exhaust installation
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| 5-inch ALUMINIZED STEEL (off-road) EXHAUST |
2008-09 DURAMAX DIESEL
5"dia., Particulate Filter-Back
Silverado/Sierra 2500HD/3500 **
- Fits All Appliction Note: All Wheelbases.
- PARTICULATE FILTER-BACK.
- 3-½, to 5-inch, ADAPTER CONNECTION.
- 16+HP Increase, with up to 4% increase in fuel economy.
Click-On Tech Button for Instructions  
5-inch ALUMINIZED Particulate Filter-Back 325.50
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2001-07 DURAMAX 6.6L DIESEL
5"dia.,
Silverado/Sierra 2500HD/3500 **
- Fits All Appliction Note: All Wheelbases.
- 4-inch, Turbo Down-Pipe.
- 5-inch, High-Flow Reversible Muffler.
- 5-inch, 14 gauge Mandrel-Bend Tubing.
- 35+HP Increase, 4% increase in fuel economy.
Click-On Tech Button for Instructions
5-inch ALUMINIZED (off-road) EXHAUST 355.50
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2001-07 DURAMAX 6.6L DIESEL
5"dia.,
Silverado/Sierra 2500HD/3500 **
- Fits All Appliction Note: All Wheelbases.
- 4-inch, Turbo Down-Pipe.
- 5-inch, 14 gauge Mandrel-Bend Tubing.
- 5-inch, (muffler replacement pipe) no muffler.
- 35+HP Increase, 4% increase in fuel economy.
Click-On Tech Button for Instructions
5-inch ALUMINIZED (off-road) EXHAUST 325.50
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** Off-Road only systems eliminate the catalytic converter
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| 5-inch STAINLESS STEEL (off-road) EXHAUST |
2008-09 DURAMAX DIESEL
5"dia., Particulate Filter-Back
Silverado/Sierra 2500HD/3500 **
- Fits All Appliction Note: All Wheelbases.
- PARTICULATE FILTER-BACK.
- 3-½, to 5-inch, ADAPTER CONNECTION.
- 16+HP Increase, with up to 4% increase in fuel economy.
Click-On Tech Button for Instructions
5-inch STAINLESS Particulate Filter-Back 425.50
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2001-07 DURAMAX 6.6L DIESEL
5"dia.,
Silverado/Sierra 2500HD/3500 **
- Fits All Appliction Note: All Wheelbases.
- 4-inch, Turbo Down-Pipe.
- 5-inch, High-Flow Reversible Muffler.
- 5-inch, 14 gauge Mandrel-Bend Tubing.
- 35+HP Increase, 4% increase in fuel economy.
Click-On Tech Button for Instructions
5-inch STAINLESS (off-road) EXHAUST 505.50
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| INSTALLER NOTE:
MOTOBLUE™ products are designed to increase the performance
of your vehicle, and as such are designed differently than your stock system. Extra care must be taken to insure
that any interaction between this system and other systems that you have on the vehicle have been taken into account
when installing performance products. This includes but are not limited to, fit of components, rubbing leakage, possible
contact with moving parts and or contact with heat sources. |
| DISCLAIMER:
Some products sold by on this website are not legal for sale or use on any pollution controlled motor vehicles.
Legal in California only for racing vehicles which may never be used on U.S. highways. Not legal for sale or use in the state of California, nor in states which
have adopted California emission standards. |
** Off-Road only systems eliminate the catalytic converter
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PLEASE NOTE: $39.99 FedEx Dimensional weight/fuel surcharges applie to all diesel exhaust systems.
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Simply mouseover and click on vehicle application or specific power option link for your vehicle.
DURAMAX DIESEL
Intake Kit
S&B Intake Kit (14+hp)
GEN II FIPK® (11+hp)
Motor Oil / Gear Fluids
Triple Dog GT
TRINITY T-1000
CUSTOM Tuner
CORTEX Tuner
DYNO TUNED OPTIONS™
Single/Dual Exh. 
GaugeWorks Pods
2 1/16' Gauges
Water/Methanol Kits
™ ProInjection (100+hp)
Clutch Systems 
Truckmaster TQ. Converter
