04-05 Duramax LLY HSP Y-Bridge & Cold Side Kit

  • Sale
  • Regular price $698.88

** 7-8 Week Build Time Normally**

Increase performance and flow with our upgraded 3" Max Flow Bridge. Our precision CNC machined bridge section allows for maximum efficiency, as well as a perfect fit every time. This component is designed to not only increase efficiency of your Duramax but also provide a solution to the factory unit, which is very restrictive and known to have boost leaks.


  • High strength silicone Boots
  • Industrial strength stainless steel T-bolt clamps
  • Precision CNC machined billet bridge section
  • 3'' Mandrel bent tubing for best efficiency


  • LLY: 04.5-05 VIN Code 2


  • Increased Performance and spool up
  • Powder coating option to dress up engine bay
  • Two piece bridge design allows for easier install than other Y-bridge kits on the market.

Cannot Ship to California 


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