• Wehrli Custom Fab Duramax Twin Trubo kit 01-10


    Complete or partial Compound turbo kits available for 2001-2015 Duramax’s. Compounding over your stock turbo charger has been proven to provide over 600hp and 1000ft lbs of torque with proper tuning. Great for daily driven trucks with no loss of turbo spool-up, and the addition of a hard hitting top end capable of 60+ psi of boost!


    Each kit is hand fabricated and pre-fit to ensure proper final fitment. All tubing is TIG welded and flanges are CNC machined; with O-ring seals where necessary for leak free fitment. Cold side tubing is powdercoated.


    COMPLETE kits include:

    • New BorgWarner S475 turbocharger
    • Afe Dry air filter
    • Fabricated Aluminum coolant overflow tank with hoses, fittings, & low coolant sensor
    • Heavy Duty turbo pedestal bracket with built in Oil return line fitting
    • Stainless steel oil feed and drain line
    • All required tubing- down pipe, hot pipe, cold pipe, intake, IC pipe
    • Passenger side 3” intercooler tube
    • 3" Fabricated Y Bridge-no core required
    • Solid 1 piece Cold pipe is standard in all kits**
    • All required silicone boots clamps hardware and v bands
    • Powdercoated cold side pipes and hi temp coating on hot side

     Gloss Black kits in stock, custom colors 3-5 days

    Common Upgrades/Options with Twin kits

    • Frame Rail Battery Tray $65.00
    • PCV Reroute Kit $85.00
    • Fuel Filter Relocate Kit $45.00
    • Driverside 3" IC pipe $280.00
    • 2" Stainless Up pipes $550.00
    • Modified factory Up pipe $65.00 ($75 core fee)
    • Powder coat Turbo Compressor Cover $65.00