Polar Diesel Delete Pipe Chevrolet/GMC Duramax 6.6L L5P 2017–2023

In stock
On backorder
Regular price $638.00

Polar Diesel Delete Pipe Chevrolet/GMC Duramax 6.6L L5P 2017–2023

Upgrade your 2017–2023 Chevrolet/GMC Duramax 6.6L L5P with the Polar Diesel Delete Pipe, crafted from premium T409 stainless steel. This 4" CAT and DPF delete pipe improves exhaust flow, reduces EGTs, boosts horsepower and torque, and enhances fuel efficiency. Designed for easy installation, it features pre-bent exhaust hangers, stainless lap joint clamps, and optional muffler configurations for a tailored exhaust note and performance profile.

  • Single side exit design with optional muffler configurations
  • 4" CAT and DPF delete pipe for maximum exhaust flow
  • Made from T409 stainless steel for superior durability
  • Includes pre-bent exhaust hangers and stainless lap joint clamps
  • Improves power, reduces EGTs, and increases fuel economy

Trusted by diesel enthusiasts across Canada and the USA for quality, performance, and long-term reliability.

Same-day shipping.

Get your order fast.

Lowest price, guaranteed.

Find it cheaper, we’ll beat it.

Free returns.

Wrong part? No hassle.

Weekly special offers.

New deals drop every week!

Parts You Can Trust. Performance You Can Feel.

Looking for proven diesel performance parts that actually fit and perform? We stock hand-selected upgrades for Duramax, Cummins, and Powerstroke platforms — no guesswork, no junk.

From tuning and exhaust to suspension, engine internals, and recovery gear, everything we carry is backed by real-world testing and used by builders who know what works. If it’s on our site, it’s here for a reason.

Shop All Products