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2017-2019 Duramax 5" Downpipe-Back Dual Exhaust (531015)

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2017-2019 Duramax 5" Downpipe-Back Dual Exhaust (531015)

Description

Fits

Year Make Model
2017-2019 Chevrolet / GMC 2500HD/3500HD Duramax 6.6L L5P

Ditch the restrictive factory piping and give your L5P the airflow it deserves. This Mel’s Manufacturing 5-inch downpipe-back dual exhaust system is built in Alberta, Canada, using premium 16-gauge U.S. steel. Unlike "scanned" imitations, every bend and hanger is engineered by real tradespeople to ensure a perfect fit and maximum performance under load.

By moving to a massive 5-inch dual-exit configuration, you’ll see a significant reduction in Exhaust Gas Temperatures (EGTs) and improved turbo spool-up. Whether you choose the rugged aluminized steel or the corrosion-resistant stainless option, you’re getting a system designed for North American standards and the horsepower to prove it.

Part Number: 531015

Features
  • North American Steel: Formed from U.S.-sourced 16-gauge steel for superior longevity over offshore substitutes.
  • Precision Engineering: Pre-welded contour bends and Canadian-fabricated hangers ensure a painless, OE-level fitment.
  • Performance Gains: High-flow design lowers EGTs and improves overall engine efficiency and throttle response.
  • Superior Build: Features stronger flanges and cleaner welds than mass-produced "scanned" clones.
  • Signature Sound: Delivers a deep, aggressive dual-exhaust note that lets your Duramax be heard.
Includes
  • (1) 5" Downpipe-Back Dual Exhaust Kit
  • (1) Set of Heavy-Duty Clamps and Hangers
Notes
  • Installation: Designed as a direct fit for 2017-2019 L5P models; check local emissions regulations before installation.
  • Finish: Available in 16-gauge Aluminized or Stainless Steel.
$800.86
2017-2019 Duramax 5" Downpipe-Back Dual Exhaust (531015)
$800.86

Product Information

Shipping & Returns

Description

Description

Fits

Year Make Model
2017-2019 Chevrolet / GMC 2500HD/3500HD Duramax 6.6L L5P

Ditch the restrictive factory piping and give your L5P the airflow it deserves. This Mel’s Manufacturing 5-inch downpipe-back dual exhaust system is built in Alberta, Canada, using premium 16-gauge U.S. steel. Unlike "scanned" imitations, every bend and hanger is engineered by real tradespeople to ensure a perfect fit and maximum performance under load.

By moving to a massive 5-inch dual-exit configuration, you’ll see a significant reduction in Exhaust Gas Temperatures (EGTs) and improved turbo spool-up. Whether you choose the rugged aluminized steel or the corrosion-resistant stainless option, you’re getting a system designed for North American standards and the horsepower to prove it.

Part Number: 531015

Features
  • North American Steel: Formed from U.S.-sourced 16-gauge steel for superior longevity over offshore substitutes.
  • Precision Engineering: Pre-welded contour bends and Canadian-fabricated hangers ensure a painless, OE-level fitment.
  • Performance Gains: High-flow design lowers EGTs and improves overall engine efficiency and throttle response.
  • Superior Build: Features stronger flanges and cleaner welds than mass-produced "scanned" clones.
  • Signature Sound: Delivers a deep, aggressive dual-exhaust note that lets your Duramax be heard.
Includes
  • (1) 5" Downpipe-Back Dual Exhaust Kit
  • (1) Set of Heavy-Duty Clamps and Hangers
Notes
  • Installation: Designed as a direct fit for 2017-2019 L5P models; check local emissions regulations before installation.
  • Finish: Available in 16-gauge Aluminized or Stainless Steel.