Magnaflow 17870 Pro Series DPF-Back Exhaust for 2007.5-2023 Chevy & GMC Duramax 6.6L

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Part #: 17870 UPC: 888563069494
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Installation Instructions

Magnaflow Cat-Back Exhaust Systems 17870 Details

MagnaFlow Cat-Back Exhaust Systems are the pinnacle in American-manufactured stainless steel performance exhausts. Designed, engineered and built 100% in-house in Southern California, when you puchase a Magnaflow Cat-Back exhaust you know you're getting the best fit, finish, sound and exhaust flow possible. With decades of experience as a world leader in exhaust and catalytic converter manufacturing, all of their Cat-Back exhausts are dyno tested to prove power gains and designed for maximum performance and flow-rate efficiency. When installed this exhaust will replace all of your factory exhaust after the catalytic converter. And it's backed by the Magnaflow limited lifetime construction warranty. Upgrade your ride today with a cat-back exhaust system from Magnaflow!



Key Features

  • Deliver Performance Gains in Horsepower and Torque
  • Pro DPF Series Sounds Great With a Performance Tone
  • Moderate Exterior Sound Level
  • Mild Interior Sound Level
  • Fast Flowing Fully Mandrel-Bent 5" Tubing
  • Single Passenger Side Rear Exit
  • 5.0” Mirror Polished Stainless Steel Inter-Cooled Tip
  • Made From 100% Stainless Steel
  • Manufacturer's Lifetime Limited Warranty

This product can expose you to chemicals which are known to the State of California to cause cancer. For more information go to
California Proposition 65 Notice
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