If you're looking to upgrade your GMC Sierra 3500 HD or Silverado 2500 HD from 2004.5 to 2005, you might want to check out the HPS High Temp 4-ply Aramid Reinforced Fluoro lined Silicone Intercooler Turbo Hose Boots Kit. I’ve been through my fair share of hoses, and let me tell you, stock OEM ones can really let you down when you need them the most. They wear out, weaken, and before you know it, you’re stuck on the side of the road or worse, blowing hoses during a race. Not cool.

This kit is built tough. The heat and oil-resistant silicone can handle over 100 PSI of boost, so you can push your Duramax LLY Diesel without worrying about a blowout. It’s designed for a perfect fit, with all the correct bends and curves, so installation is a breeze—no modifications needed. And with a max temperature rating of 500°F, these hoses are ready for whatever you throw at them.

What I really appreciate are the heavy-duty stainless steel spring-loaded T-Bolt clamps that come with the kit. They make securing everything a lot easier, and you can trust they won’t let go when the pressure’s on. I've had my share of flimsy clamps that just don't cut it, but these are solid.

Now, for the specs: this kit is specifically for the 6.6L Duramax LLY Diesel engines, fitting perfectly on both the GMC Sierra and Chevrolet Silverado from 2004.5 to 2005. The vibrant orange color adds a nice touch under the hood too, making your engine bay look just as good as it performs.

To sum it up, if you’re serious about performance and reliability, these silicone intercooler hoses are a smart upgrade. Say goodbye to those old OEM hoses and get ready to hit the road or the track with confidence.

• Perfect fitment with correct bends and curves.
• Replace stock OEM hoses with durable Aramid Reinforced Fluoro lined silicone.
• No more worries about hoses blowing off—great for competition or daily driving.
• Direct OEM fitment; no modifications required.
• Max temperature rating of 500°F.
• Includes heavy-duty stainless steel spring loaded T-Bolt clamps for easy installation.

• Product Type: Silicone Intercooler Hoses
• Color: Orange
• Application Notes: 6.6L Duramax LLY Diesel

• Chevrolet Silverado 2500 HD 6.6L Duramax LLY Diesel 2004.5 - 2005
• Chevrolet Silverado 3500 HD 6.6L Duramax LLY Diesel 2004.5 - 2005
• GMC Sierra 2500 HD 6.6L Duramax LLY Diesel 2004.5 - 2005
• GMC Sierra 3500 HD 6.6L Duramax LLY Diesel 2004.5 - 2005