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01-16 GM 6.6L Duramax HSP S3/S4 Twin Turbo Kit

01-16 GM 6.6L Duramax HSP S3/S4 Twin Turbo Kit
01-16 GM 6.6L Duramax HSP S3/S4 Twin Turbo Kit
01-16 GM 6.6L Duramax HSP S3/S4 Twin Turbo Kit
01-16 GM 6.6L Duramax HSP S3/S4 Twin Turbo Kit
-6 %
01-16 GM 6.6L Duramax HSP S3/S4 Twin Turbo Kit
01-16 GM 6.6L Duramax HSP S3/S4 Twin Turbo Kit
01-16 GM 6.6L Duramax HSP S3/S4 Twin Turbo Kit
01-16 GM 6.6L Duramax HSP S3/S4 Twin Turbo Kit
01-16 GM 6.6L Duramax HSP S3/S4 Twin Turbo Kit
This product qualifies for free shipping!
  • Part Number: HSP-703-st-nt
$3,300.00
$3,500.00

Available Options

Our twin turbo kits allows you to bolt on a large S400 style atmosphere turbo while also upgrading your factory turbocharger to a S300 style turbocharger.

No Turbo's in kit. Please list the turbo's you are planning on using in boxes above.

Kits come:

  • 3" mandrel bent tubing
  • Aluminum cold side tubing
  • High-flow mouthpiece & y-bridge
  • Coolant tank & hoses
  • Turbo bracket
  • HSP Fabricated Pedestal
  • Feed/drain lines
  • Air filter
  • All silicone boots, clamps, and hardware needed for install  
  • Hotside comes Ceramic Coated Black

These kits are built on demand and may have a 1-2 week lead time before they can ship. Please call for accurate lead time if you are in a hurry.

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