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.
Installation & Compatibility
Designed for straightforward bolt-on installation on Chevrolet/GMC Duramax 6.6L L5P (2017–2023) with OEM-style 4-bolt downpipe flange.
- Fits 2017–2023 Chevrolet/GMC Duramax 6.6L L5P
- Compatible only with models using OEM 4-bolt downpipe flange
- Must be modified to fit regular cab models
- Includes pre-bent hangers and stainless lap joint clamps
Our team at Kettle Valley Diesel is available for support if you have fitment or install questions. Reach out to us if you have any questions and we'll be ready to help.