RAM 2500 Twin Turbo Kit - Wehrli - S400/Stock - Sparkle Copper - 03-07. A compound S400/stock setup for the 2003-2007 5.9L Cummins that offers street-friendly spool with serious power headroom.

Built for daily-driven work trucks and tow rigs, this kit targets increased horsepower, improved fuel mileage, and superior EGT control while keeping stock-like response. Suggested pairings range from S475/stock (best spool, ~750 RWHP with supporting mods) to S480/67 drop-in (1000+ RWHP capable with trade-offs; not advised for tow use). Designed for the OEM exhaust manifold; using an aftermarket OEM-style manifold requires sending it to WCFab for custom fitment. Turbochargers sold separately.

Features

• Sparkle Copper powder-coated cold side; black ceramic-coated hot side and 4 in downpipe
• 3 in charge pipe, hot-side crossover; 5 in intake
• Dry air filter with Outerwears pre-filter
• Stainless oil feed/drain; silicone boots with stainless T-bolt clamps
• V-band clamps, O-rings, heat wrap, hardware; retains passenger-side battery; Made in USA

Questions about the right S475/S480 combo for your build? Call us. Installation and customization available at our Austin, TX and Los Angeles, CA area shops: 512-982-9393 (TX), 562-981-6800 (CA).

Buying multiple items? Contact us for potential shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov