2001-2004 LB7 Duramax S400/Stock Compound Turbo Kit.1000 RWHP capable depending upon turbo and fuel system modifications. Recommended for daily driver work trucks and tow rigs looking for increased horsepower, better fuel mileage, and superior EGT control with stock-like turbo spool characteristics. ??Recommended Combinations:??S475 / Stock IHI Turbo - Up to 750 RWHP with Supporting Modifications - Best Turbo Spool, performs well on stock fuel setups. WCFab 750 Built Allison transmission recommended.??S480 / Stock IHI Turbo - 800+ RWHP Capable with Supporting Modifications - Better top end performance that sacrifices a bit of spool on the low end compared to an S475/stock setup.WCFab 750+ Built Allison transmission recommended.??S480 / 64mm Drop In Turbo - 900+ RWHP Capable with Supporting Modifications - Improved top end power with moderate spool characteristics.WCFab 750+ Built Allison transmission recommended.??. Not compatible with Banks Intercoolers. Please contact your sales rep for assistance placing your order if you are running a Banks charge air cooler (additional cost and lead time apply).. Wehrli 01-04 Chevrolet 6.6L LB7 Duramax S400 Twin Turbo Kit (No Turbo) - Bengal Silver. Wehrli Custom Fab Twin Turbo Kit S400/Stock, for 2001-2004 Duramax LB7, Bengal Silver. Hot / Driver Side Intercooler Pipe Not Included / Sold Separately - see WCF100349. This kit requires removal / relocation of the passenger side battery.. Twin Turbo Kit S400/Stock, for 2001-2004 Duramax LB7, Bengal Silver. Silicone Boots, T-Bolt Clamps, V-Band Clamps, Heat Wrap & Clamps. Coolant Overflow Tank with Hoses, Fittings, & Low Coolant Sensor. Atmoshpere Turbo Pedestal with Built in Oil Return Fitting. 5" Intake, Dry Air Filter with Outerwears Pre-Filter Cover. Stainless steel oil feed and drain lines with fittings. 3.5" Cold Side Charge Pipe, 3.5" Turbo Inlet Horn. Turbochargers Not Included / Sold Separately. 3" One Piece Y-bridge with HD Bead roll end. Turbo Kit S400/Stk 01-04 Dmax Bngl Silvr. 4" Turbo Down Pipe, Ceramic Coated. Durable Custom Powder Coat Finish. 3" cold side intercooler pipe. S400/Stk 01-04 BS. Turbocharger Kit. Made in USA

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