04-05 Duramax LLY HSP 3" Cold Side

  • Sale
  • Regular price $175.74


** 2-3 Week Build Time Normally**

Increase performance and efficiency with our upgraded 3" cold-side tube. Mandrel bent tubing for a smooth flow design. Our Cold-side tubes are available in a variety of color options to suit your needs. The mandrel bent 3'' cold-side tube complements the Y-bridge for the ultimate in efficiency, flow, and maximizing the performance capabilities of your truck. This cold-side tube in combination with the max flow bridge, this is a very versatile kit that can allow for future upgrades.

These components have been designed and are intended for closed course competition only! It becomes the sole responsibility of the customer to ensure that the use of their vehicle and items purchased comply with federal, state, and local regulations. Performance products are legal only for sanctioned closed course racing vehicles, which may never be used on a public highway. The customer assumes all risks and expenses relating to unlawful vehicle operation on public roads.

By purchasing this product, you have agreed not to hold HSP Diesel.com liable for unlawful vehicle operation


  • 3'' mandrel bent tube
  • High strength silicone Boots
  • Industrial strength stainless steel T-bolt clamps



  • Increased Performance and spool up
  • Powder coating option to dress up engine bay
  • Upgraded high strength silicone boots
  • Many powder coat colors available

Cannot ship to California 


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