BPS Caterpillar C15/3406E Low Mount Stainless Exhaust Manifold – Freightliner & Western Star

Dominate the highway with the BPS Low Mount Stainless Steel Exhaust Manifold, specifically engineered for Caterpillar C15 and 3406E engines in Freightliner and Western Star trucks.

Built from premium stainless steel with no coatings that can flake or wear off, this manifold is designed to handle the extreme heat, vibration, and heavy loads that fleet operators face every day.

Featuring larger exhaust ports for improved flow and faster turbo response, combined with a heavy-duty casting that resists cracking far better than factory manifolds, this is the upgrade serious truckers choose when reliability matters most.

Choose Your Configuration:

Option 1: Manifold Only

• BPS Stainless Steel Low Mount Manifold
• A286 Turbo Studs

Option 2: Manifold Plus Complete Install Hardware Kit (Recommended) Get everything you need for a perfect, leak-free installation in one package:

• Exhaust manifold gaskets w/ one-piece stainless sleeves
• Premium A286 manifold studs
• Stainless steel manifold spacers
• T6 turbo gasket
• Oil supply and return gaskets

Why BPS Low Mount Manifolds Win:

• Direct fit for Freightliner and Western Star trucks with C15/3406E engines
• Rust-proof stainless steel construction built for harsh North American conditions
• Larger ports deliver better exhaust flow, quicker spool-up, and more usable power
• Heavy casting resists cracking under extreme temperatures and constant vibration
• Low-mount design maintains proper clearance and turbo positioning
• Ideal for heavy-haul, long-haul, and fleet applications where downtime is not an option
• Reduced EGTs!

Whether you’re replacing a cracked OEM manifold or upgrading for better performance and longevity, this BPS manifold gives you the strength, fitment, and options you need to keep your rig moving profitably.

Base Kit Includes:

• BPS Low Mount Stainless Steel Manifold
• A286 Turbo Mounting Studs

Full Hardware Kit Adds:

• One-piece stainless manifold sleeves
• A286 manifold studs (complete set)
• Stainless manifold spacers
• T6 turbo gasket
• Oil supply and return gaskets

Stop fighting cracked manifolds and leaking gaskets. Upgrade to BPS and run with confidence.

Cross References

• OEM: 2250998
• OEM: 1501916
• OEM: 1333359
• OEM: 1469445