Take your diesel engine to the next level with a system designed to give you the right sound and deliver better performance!

MagnaFlow’s dedication to performance, quality and sound doesn’t stop with gas vehicles.  Their Diesel exhaust systems are the right match for your Duramax, Cummins  or Powerstroke regardless of its’ exit style and outlet quantity. Enjoy a rich, powerful sound-from now on!

Whether you select stainless steel or aluminized, MagnaFlow delivers better MPG, an increase in horsepower and a sound that demands attention. All MagnaFlow exhaust systems are factory-checked for proper fitment and dyno-tested to verify performance gains. The stainless steel system are backed by MagnaFlow’s lifetime warranty while the aluminized have a limited 1-year warranty.

These kits include all necessary installation hardware and some include a polished stainless steel exhaust tip.


This premier Diesel exhaust system series is as rugged and reliable as the vehicle that  you drive.

Expect big power gains from Cat-back to Turbo-back with their dyno proven straight through design

These systems feature:

  • 400 Series S/S construction
  • MagnaFlow’s legendary straight-through, wide-open, S/S muffler to provide a smooth, deep tone outside of the vehicle
  • 300 Series S/S mirror polished finish on the muffler
  • Polished double wall welded wall tips


The Black series is the premier MagnaFlow Performance Series with a twist, featuring the same stainless construction but with the added protection and style of a High Temp Satin Black Coating applied from tailpipe to tip.


17923These exhaust systems provide significant gains in horsepower, torque, improved fuel economy, and a lower EGT (exhaust gas temperature). They are entry-level performance diesel systems featuring:

  • S/S muffler with a straight-through design and satin finish
  • All necessary installation hardware (stainless steel band clamps, OEM-style barbed hangers, 4” or 5” mandrel-bent stainless steel tubing)


Has a limited 1 year warranty with an aluminized muffler and no tip. This allows for some customization with an added tip at the best value on the market.

Provide the versatility to accommodate nearly every configuration, including lifted, lowered, air bagged,  heavy trailering and long travel and they are engineered for maximum power and minimal weight. These  systems eliminate the need for custom fabrication with true bolt-on fitment. Increase performance and  turns heads.  They are designed without the Tailpipe and with a turndown tip before the axle.

 The turndown provides an aggressive exhaust note and allows for usage on vehicles with highly  modified suspension systems.


Offers the most options for customization with a lifetime backed stainless construction.

ALUMINIZED CUSTOM BUILDER PIPE KIT SERIES* has a limited 1 year warranty.

 Both options provide the Racer, a mandrel bent pipe-only exhaust from turbo to tailpipe complete with all hardware and the street driver,  the basis for a custom exhaust that allows you to purchase and install the converter, muffler and tip of your choice.

*Aluminized system series still utilize stainless steel mufflers, only the piping is aluminized.

Also for newer versions of the diesel trucks with Diesel Particulate Filters (DPF), some of Magnaflow kits are just tail pipes and do not feature mufflers. Please check and ensure your customers understands what they may be ordering.

Following is a sample of Magnaflow cat back systems for trucks.


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