WCFab's 2017-2025 L5P Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust port gasket matched and internally divided for optimal flow with OEM or ported cylinder heads. Outlet locations allow full compatibility with OEM style up pipes and are paired with WCFab's 2" Stainless High-Flow Up Pipes for optimized performance. Fully compatible with vehicle emissions system, these L5P Manifolds include the necessary sensor port and EGR riser flange. Includes new gaskets, ARP 12PT fasteners, and assembly lube for easy install. Finished in Black Ceramic Coat rated for 2000 deg F.
Wehrli Custom Fab Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware, 17-25 Duramax
- 1/8 NPT port (and optional plug) included in driver side manifold for installation of EGT or drive pressure sensor
- Fully TIG Welded, CNC machined billet steel exhaust manifolds
- Finished in Black Ceramic Coat rated for 2000 deg F
- Includes new gaskets for manifolds & up pipes
- Includes ARP 12PT Fasteners and Washers
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| Air Freight Prohibited: false |
| Not Carb Approved: true |
| Carb Acknowledgement Required: true |
| Ltl Freight Required: false |
| Prop 65: Y |
| Part Type: automotive |
| Epa: Compliant |
| Regular Stock: t |
| Units Per Sku: 1 |
