Skip to product information
1 of 7

Wehrli 01-04 Duramax LB7 Twin Turbo Kit S400/Stock - Candy Red

Wehrli 01-04 Duramax LB7 Twin Turbo Kit S400/Stock - Candy Red



Regular price $3,424.10
Sale price $3,424.10 Regular price $3,530.00

  • Fully secure checkout
  • Trusted by thousands
  • Rated and reviewed

Question about this product?

We're happy to help.

Up to 3% off

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.??

Wehrli Custom Fab Twin Turbo Kit S400/Stock, for 2001-2004 Duramax LB7, Candy Red

  • Coolant Overflow Tank with Hoses, Fittings, & Low Coolant Sensor
  • Silicone Boots, T-Bolt Clamps, V-Band Clamps, Heat Wrap & Clamps
  • 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
  • 3" One Piece Y-bridge with HD Bead roll end
  • 4" Turbo Down Pipe, Ceramic Coated
  • Durable Custom Powder Coat Finish
  • 3" cold side intercooler pipe
  • Made in USA



Wehrli 01-04 Duramax LB7 Twin Turbo Kit S400/Stock - Candy Red

$3,424.10

  • ACHIEVING

    4.8

    average rating

  • With

    95%

    positive reviews

  • LESS THAN

    3%

    return rate

Does it come with a warranty?

Yes, most products we sell are backed by the manufacture's warranty. Warranty coverage varies by brand, so check the product listing or contact us if you have any questions before purchasing.

What happens if I don't like it?

If you're not completely satisfied, we're here to help. Eligible unused items may be returned within 30 days of delivery, subject to our return policy and applicable restocking fees.

How fast is shipping?

We process most orders within 1-2 business days. Shipping times vary by product availability and location, but most customers receive their orders within 3-7 business days after they ship.

What's the returns policy?

Returns must be requested within 30 days of purchase, Items must be new, unused, and in their original packaging. Approved returns are subject to a 30% restocking fee. Custom order, electrical, and special order items may not be eligible for return.

Questions about this product?
Don't be a stranger.