2017-2025 GM 6.6L Duramax High-Flow 304 Stainless Steel Down Pipe
2017-2025 GM 6.6L Duramax High-Flow 304 Stainless Steel Down Pipe
Fitment:
PART NUMBER: 117000800GTIN: 840171200218
Features
- 304 Stainless steel construction for durability and corrosion resistance
- Lower EGT, better turbo efficiency and response
- TIG welded flanges for leak-free, robust connections
- Smooth transitions and free-flowing design
- Woven titanium heat sleeve
- Compatible with factory or PPE Up-Pipes
- Retains factory sensor port (M14-1.5)
GM 6.6L Duramax High-Flow 304 Stainless Steel Down Pipe
Upgrade your L5P Duramax with the PPE Free-Flow Downpipe and eliminate the rusted, restrictive factory design. The PPE Down Pipe highlights unrestricted 3.5-inch diameter flow path, fully machined and TIG welded upper flange with factory-style V-band, and 304 stainless steel piping. It ensures smooth transitions for unobstructed exhaust flow.
To further enhance performance, it comes with a woven titanium sleeve that effectively insulates heat, protecting the engine bay.
Specification:


2017-2025 GM 6.6L Duramax High-Flow 304 Stainless Steel Down Pipe

2017-2025 GM 6.6L Duramax High-Flow 304 Stainless Steel Down Pipe
PART NUMBER: 117000800GTIN: 840171200218
Features
- 304 Stainless steel construction for durability and corrosion resistance
- Lower EGT, better turbo efficiency and response
- TIG welded flanges for leak-free, robust connections
- Smooth transitions and free-flowing design
- Woven titanium heat sleeve
- Compatible with factory or PPE Up-Pipes
- Retains factory sensor port (M14-1.5)
GM 6.6L Duramax High-Flow 304 Stainless Steel Down Pipe
Upgrade your L5P Duramax with the PPE Free-Flow Downpipe and eliminate the rusted, restrictive factory design. The PPE Down Pipe highlights unrestricted 3.5-inch diameter flow path, fully machined and TIG welded upper flange with factory-style V-band, and 304 stainless steel piping. It ensures smooth transitions for unobstructed exhaust flow.
To further enhance performance, it comes with a woven titanium sleeve that effectively insulates heat, protecting the engine bay.