
- Designed for L5P Duramax engines (2017-2024)
- Offers a 46% larger flow area compared to the stock up-pipe
- Constructed from durable 11 gauge 304 stainless steel for longevity and corrosion resistance
- Features internally-sleeved bellows made of 304 stainless steel for increased strength and flexibility
- Engineered as a direct bolt-on replacement, ensuring easy installation without modifications
- Includes high-quality 301 stainless steel gaskets for a secure and leak-free seal

The PPE 116122000 Replacement High Flow Up-Pipe Kit is engineered to significantly improve the exhaust flow of your L5P Duramax engine, model years 2017-2024. This upgrade provides a substantial 46% larger flow area compared to the factory up-pipe, leading to enhanced engine performance and potentially improved fuel efficiency.
Designed for L5P Duramax engines (2017-2024)
Offers a 46% larger flow area compared to the stock up-pipe
Constructed from durable 11 gauge 304 stainless steel for longevity and corrosion resistance
Features internally-sleeved bellows made of 304 stainless steel for increased strength and flexibility
Engineered as a direct bolt-on replacement, ensuring easy installation without modifications
Includes high-quality 301 stainless steel gaskets for a secure and leak-free seal
By replacing the restrictive stock up-pipe with this high-flow unit from PPE, you can expect optimized exhaust gas expulsion, contributing to a more responsive and efficient engine. The premium materials and precise engineering of this kit ensure lasting performance and a perfect fit for your L5P Duramax.[...]
- Designed for L5P Duramax engines (2017-2024)
- Offers a 46% larger flow area compared to the stock up-pipe
- Constructed from durable 11 gauge 304 stainless steel for longevity and corrosion resistance
- Features internally-sleeved bellows made of 304 stainless steel for increased strength and flexibility
- Engineered as a direct bolt-on replacement, ensuring easy installation without modifications
- Includes high-quality 301 stainless steel gaskets for a secure and leak-free seal