🔥 2nd Gen Style Turbo Piping Kit for 2003–2005 Cummins – Includes S465 Turbo | Stainless Diesel High-Boost System

Upgrade your 3rd Gen Cummins (2003–2005) with Stainless Diesel’s 2nd Gen Style Turbo Piping Kit—designed to move your turbo to the optimal "twin position" for faster spool, lower EGTs, and improved long-term reliability. This complete kit includes a BorgWarner-based S465 turbocharger, high-flow charge piping, cold air intake, and all required oil lines and hardware.

Built with CNC-machined flanges and aluminized mild steel pipes—not rubber or plastic—this system is engineered to withstand high boost and extreme heat. Whether you’re towing, racing, or building for twins later, this setup is your proven foundation.

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🔧 Key Features:

• Fits: 2003–2005 Dodge Ram Cummins (5.9L)

• Includes BorgWarner S465 Turbo (83mm turbine, cast 65mm compressor)
  — Cast “box unit” turbo (aka S463, S463.5, S464, S465 – Borg P/N 169012)
  — Choice of T4 turbine housing A/R: 0.90, 1.00, or 1.10

• Optional: Stainless Diesel 2nd Gen T4 Exhaust Manifold

• Built with CNC’d flanges & aluminized mild steel piping

• Manifold inversion recommended for better spool and future twin setup compatibility

• 1–2 week lead time (made to order)

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📦 What’s Included:

• S465/83 Turbocharger (cast Borg Warner unit)

• Optional Stainless Diesel T4 2nd Gen Exhaust Manifold

• High-Flow Flow Boss Cold Air Intake w/ S&B Filter + Pre-filter wrap

• Turbo Blanket

• Braided -6 Stainless Oil Supply Line + Fittings

• Oil Drain Line + Gasket

• Turbo Gaskets, Mounting Studs & Bolts

• S400 Aluminum 90° Elbow w/ O-ring & V-Band Clamp

• 3.00" Bead-Rolled Intercooler Pipe

• 5.00" Air Cleaner Pipe w/ AIT Sensor Bung

• 5.50" to 5.00" Silicone Boot w/ T-Bolt Clamps

• 4.00" Aluminized Steel Downpipe

• 1.00" Divided Billet Spacer

• Water Line (specific to 2003–2005 models)

• High-Torque T-Bolt Clamps

• V-Band Clamp for Downpipe

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⚠️ Important Notice:

Using a 0.90 A/R exhaust housing on an S465 may lead to turbo over-speed and premature failure. Use at your own risk.

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Whether you’re building your first compound-ready system or simply looking for better spool and lower temps, this all-in-one kit delivers reliability, power, and performance—all built the Stainless Diesel way.