Wehrli Custom Fabrication
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2017-2023 L5P Duramax Billet Exhaust Manifolds

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WCF100373
- Fully TIG Welded, CNC machined billet steel exhaust manifolds
- Finished in Black Ceramic Coat rated for 1800ºF
- Includes new gaskets for manifold to cylinder head, EGR flange, and manifold to up pipe
- Includes ARP 12PT Fasteners and washers for installation to cylinder head. Up pipe fastener kits sold separately as part WCF100199.
- Include
- 1/8 NPT port (and optional plug) included in driver side manifold for installation of EGT or drive pressure sensor
- No tuning required.
Shipping: This Product cannot ship to the state of California
Pricing: $1,526.78

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Description

WCFab’s 2017-Current Duramax Billet Exhaust Manifolds with EGR Riser Flange replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components designed to enhance exhaust flow characteristics, improving turbo spool up, lowering EGTs and increasing power and economy. 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 designed to be paired with WCFab’s 2” Stainless High-Flow Up Pipes (sold separately as part WCF100624) for optimized performance.

Includes new gaskets, ARP 12PT fasteners, and assembly lube for easy install (up pipe fastener kits sold separately). Finished in Black Ceramic Coat rated for 1800ºF. No tuning required.

Also compatible with 2019+ L5D Duramax (4500/5500/6500) Medium Duty Trucks.

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Shipping Information

  • Item Requires Shipping
  • 30.0 lbs.
  • W8.0000” x H8.0000” x L20.0000”
  • This Product cannot ship to the state of California

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