MagnaFlow XL Diesel 4in. Cat-BackExhaust System KitMagnaFlow Exhaust Products#MAG16965

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MagnaFlow Diesel Pipes are available for Cummins, Powerstroke and Duramax applications. Each downpipe, extension pipe, muffler delete and tailpipe is made of 100% stainless steel to ensure durability and mandrel-bent to ensure maximum performance gains. MagnaFlow Diesel pipes deliver reduced exhaust temperatures, a boost in horsepower, torque and throttle response.

The XL Diesel exhaust system features stainless steel construction and mirror polished welded tips. No hassle emissions legal design.

MagnaFlow Performance Exhaust got its start as a natural extension of Car Sound Exhaust Systems, Inc., our parent company, that specializes in superior catalytic converter technology. Car Sound Exhaust Systems, Inc. has spent 25 years earning a reputation as a market leader around the world. Today, we at Car Sound/MagnaFlow are extremely proud of this and stake our 25 years of experience and reputation on each and every one of our products. Each new product we develop is personally evaluated by me and tested by our team of designers and engineers, then field tested to ensure that these products meet our stringent quality and performance standards. On May 18, 2000 Car Sound/MagnaFlow Performance Exhaust was awarded the ISO-9001 certificate. ISO-9001 is an international quality standard created by the International Organization for Standardization to define quality management and manufacturing systems. It has 20 specific design, material, and process requirements that help MagnaFlow/Car Sound ensure customer satisfaction with our products and services. ISO-9001 certified companies are re-audited every six months to ensure that quality standards are maintained. Together, we stand united in our passion to deliver the best performing, most durable and capable exhaust components in the world. As we go forward, you'll slowly start to witness a change as we segue fully into the MagnaFlow Performance Exhaust brand identity, a name that has achieved global recognition. This change will simply help people from both sides of our business understand that high quality and high performance is part of our mantra's in our name.

  • Entry Level Performance System
  • Dyno Tested And Proven To Make Power
  • Performance Gains In Horsepower And Torque
  • Great Sound Has A Smooth Deep Tone
  • Mandrel Bent/All Welded/Built To Last
  • Tips Sold Separately
  • Limited Lifetime Warranty Against Manufacturing Defects

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  • Exhaust Type Single
  • Exit Position Rear Side
  • Exit Style Dual Split Rear Behind Rear Tires
  • Inlet Connection Type Clamp-On
  • Inlet Inside Diameter 4.000 in.
  • Main Piping Diameter 4.000 in.
  • Material Stainless Steel
  • Muffler Body Material Stainless Steel
  • Muffler Count 1
  • Muffler Finish Satin
  • Outlet Outside Diameter 4.000 in.
  • Pipe Material Stainless Steel
  • Series MagnaFlow XL
  • Subtitles Cat-Back
  • System Type Cat Back
  • Tail Pipe Diameter 4.000 in.
  • Tip Diameter 5.000 in.
  • Tip Finish Polished
  • Tip Length 13.000 in.
  • Tip Material Stainless Steel
  • Tip Shape Round
  • Tip Type Clamp-On;Single Wall;Angle Cut;Rolled Edge
  • Title MagnaFlow XL Series
  • Tubing Diameter 4.000 in.
  • Type Cat-Back
  • WARNING CA Proposition 65 No